Pregnancy Calendar

Select Your Pregnancy Week

1st -4th
5th -8th
9th -12th
13th -16th

17th -20th
21st -24th
25th -28th
29th -32nd

33rd -36th
37th - 40th


1st LUNAR MONTH

•1st Week of Pregnancy (Day 1 to Day 7)

What is happening to you?
If you wish to become a mother it is time to do the screening test required before conception. It is a big opportunity for making changes to your daily routine that will help both you and your baby. For example, stop smoking! The first day of pregnancy is actually calculated from the first day of your last period even though there is no conception yet.

•2nd Week of Pregnancy (Day 8 to Day 14)

What is happening to you?
Your period has ended and you body is preparing for conception. Ovulation, release of the mature ovum from the ovarian follicle, will soon begin. The ovum travels south to the fallopian tubes and… A joyful evening marks the beginning of the adventure! Advice: It is a good idea to start taking folic acid before conception.

•3rd Week of Pregnancy (Day 15 to Day 21)

What is happening to you?
Sperm travels towards the fallopian tubes. Millions of sperm lay siege to the egg. One attains the goal! And we have fertilization! Ovum and sperm form one single cell called the zygote (fertilized ovum). The zygote multiplies dividing into 2, 4, 8, 16 cells that create the blastocyst. The blastocyst travels from the fallopian tubes to the uterus. The blastocyst comes into contact with the lining of the uterus (endometrium).
What is going on with your baby?
Your baby’s gender is determined during conception thanks to the X and Y chromosomes contained in the father’s sperm cell.

•4th Week of Pregnancy (Day 22 to Day 28)

What is happening to you?
By the end of this week you will know if you are pregnant. Take a home pregnancy test. If the test is positive you must contact your doctor immediately. You may be experiencing morning sickness, nausea or vomiting.
What is going on with your baby?
Attachment and implantation of the blastocyst to the lining of the uterus is complete and fast development of the embryonic disc, amniotic cavity and ovular membrane begins. Development of the embryonic disc will be complete by the end of this week.

•5th Week of Pregnancy (Day 29 to Day 35)

What is happening to you?
The pregnancy urine tests are positive. Your body is beginning to change and (usually) the first symptoms appear. You may experience nausea, fatigue and tenderness of your breasts. Your uterus is growing and presses against your bladder and this makes visits to the bathroom all the more frequent. It is important to eat right and avoid coffee which increases gastric fluids.
What is going on with your baby?
The blastocyst develops into an embryo. Three layers are developed from the embryonic disc. The ectoderm, the mesoderm and the endoderm. The skin, hair, ears, nose, mouth, endocrine glands and neural system will develop from the ectoderm. The bones, muscle, veins, heart, circulatory system and reproduction organs will develop from the mesoderm. The stomach, liver, lungs and urinary system will develop from the endoderm. Development of the neural system, thyroid gland and development of the heart and cardiovascular system also begins during this week.

•6th Week of Pregnancy (Day 36 to Day 42)

What is happening to you?
Morning sickness and fatigue may be more pronounced due to the constantly increasing hormonal activity. You must not forget that alcohol and drugs are harmful to the embryo and to the mother.
What is going on with your baby?
The placenta is starting to function. The embryo’s heart is starting to beat but you cannot hear it. The embryo’s face is developing and looks like an alien and the embryo’s length is between 4 to 6 millimeters.

•7th Week of Pregnancy (Day 43 to Day 49)

What is happening to you?
It is time for your first ultrasound screening test. This ultrasound screening checks that your pregnancy is endometrial and you hear your baby’s heart for the first time. The gestation date and possible due date are also determined with this ultrasound. This week you must stop smoking if you have not done so already and consult your doctor before taking any medicine.
What is going on with your baby?
The first signs of the upper extremities begin to appear. The amniotic sac is still growing. Millions of villi are formed in the placenta and blood circulation begins. The embryo length ranges between 5-9 millimeters.

•8th Week of Pregnancy (Day 50 to Day 56)

What is happening to you?
Your waist is starting to grow and the first spots may appear on your face. You will notice changes in your breasts, make more frequent trips to the bathroom and experiencing nausea, fatigue and constipation.
What is going on with your baby?
Your embryo is growing fast. The liver, pancreas, stomach and lungs are beginning to take shape. The mouth and nose cavities, cerebellum, spleen and upper lip are developing. And the ears are also developing. The embryo length ranges between 9-13 millimeters.

•9th Week of Pregnancy (Day 57 to Day 63)

What is happening to you?
Constipation is a common symptom during this period of pregnancy. Taking a lot of vegetable fibers and exercise will help you deal with it. Remember that small meals are better for digestion. You must be careful during sexual intercourse.
What is going on with your baby?
Your baby’s fingers are already developed. The baby’s length is around 18 millimeters.

•10th Week of Pregnancy (Day 64 to Day 70)

What is happening to you?
Nausea is starting to ease off. You may notice more veins on your breasts and legs due to the blood volume increase by 40 – 50%. You will slowly start noticing your belly grow. Continue taking care of your diet and exercise! However, be careful… some exercises need to be adapted during pregnancy!
What is going on with your baby?
Your baby’s toes are developing. The embryo’s ovaries or testicles can be seen and it is taking its final shape, all systems are forming. The kidneys work and the embryo urinates inside the amniotic fluid. The intestines are starting to grow outside the embryo’s belly. They will later enter the belly cavity. The embryo is starting to move but you cannot yet feel it. The embryo length ranges between 15-22 millimeters.

•11th Week of Pregnancy (Day 71 to Day 77)

What is happening to you?
The time for the nuchal translucency screening is approaching. This ultrasound measures the thickness of fluid in the embryo’s neck. Increased thickness is associated with the baby’s risk of having Down syndrome. Your womb has grown significantly. Advice: You should not forget that mild exercise and walking in particular is very helpful.
What is going on with your baby?
The upper and lower limbs of your baby are slowly becoming visible. The arms are longer than the legs. The embryo continues growing. The continuing organ development of an embryo is called organogenesis. The embryo length ranges between 19-26 millimeters.

•12th Week of Pregnancy (Day 78 to Day 84)

What is happening to you?
In the twelfth week of pregnancy, the risk for miscarriage is significantly lessened. Nausea subsides and your appetite returns to normal. Make sure that you eat well-cooked meat to reduce any chance of toxoplasmosis. Advice: Also, drink 8 - 10 glasses of water every day to avoid urinary tract infections as much as possible.
What is going on with your baby?
Your baby is growing longer faster. Your baby is now 5.2 centimeters long and weights 8 grams. The eyelids are shut over the developing eyes. The bones are growing and are soft. They will harden later.

•13th Week of Pregnancy (Day 85 to Day 91)

What is happening to you?
You are now in the second trimester of your pregnancy. Nausea and fatigue are a thing of the past. Your uterus is larger and starts to protrude from the pelvis.
What is going on with your baby?
The placenta is now fully formed. The umbilical cord that supplies nutrients is well-formed and your baby swallows and sucks the amniotic fluid. The baby is 7 centimeters long and weights 30 grams.

•14th Week of Pregnancy (Day 92 to Day 98)

What is happening to you?
This week you must undergo the necessary tests, such as a hematocrit test to check for anemia, fasting blood sugar test and general urine test for detection of any kidney disorder or urinary tract infection. If you are over 35 years old, you are close to your amniocentesis. Amniocentesis provides general information on the embryo, its health and growth by getting a small sample of the amniotic fluid. You are probably able to feel your uterus above your pubic bone and a black line may appear in the belly area. Advice: If you haven’t already done so, take the nuchal translucency ultrasound.
What is going on with your baby?
The baby is still growing and the ears are beginning to form. The intestines are now inside the belly. Your baby is getting hair on the head, eyebrows and body. This downy fuzz is called lanugo and is usually shed before birth. Some muscles are functioning and your baby can hold and do some grimacing.

•15th Week of Pregnancy (Day 99 to Day 105)

What is happening to you?
You are slowly starting to feel your baby move. Your skin may become darker is some areas, as around the nipples or on the face. These spots will go away after your pregnancy is over. If you and your doctor have decided to do an amniocentesis, this is the time to do it. Advice: Remember to drink a lot of fluids, especially if you are pregnant during the summer months.
Τι συμβαίνει στο μωρό σας;
Your baby is growing fast, the face is starting to form and the head is proportionately equal to half of its length. The baby is 8.7 centimeters long and weights 45 grams.

•16th Week of Pregnancy (Day 106 to Day 112)

What is happening to you?
By the 16th week of your pregnancy you have probably gained 2 to 5 kilos. Your uterus is growing fast and you might have belly aches due to the thickening, stretching tissue. If you haven’t felt your baby move yet, chances are you will during this week. Your uterus is about halfway between your pubic bone and your navel. As time goes by, the risk for miscarriage is diminishing. Advice: If you have fever, vomit, experience strong low back pain, vaginal discharge or more than 4-5 contractions in one hour call your doctor immediately.
What is going on with your baby?
This is a growth spurt period for your baby. Formation of the genitals is complete. Some of the most functional systems are functioning normally, including the circulatory and urinary systems. The baby is approximately 10 centimeters long and weights 80 grams.

•17th Week of Pregnancy (Day 113 to Day 119)

What is happening to you?
Your belly is starting to grow and your center of gravity changes. You may feel unsteady on your feet and for this reason avoid wearing high heels to reduce your risk of falling. Dryness is more pronounced, especially in the eyes. If you use contact lenses perhaps you should temporarily go back to your eye glasses. You may get small brown spots on the face - especially on the forehead, nose, mouth and chin. Sometimes there are many spots forming something like a mask. This is the chlosma of pregnancy and usually disappears after delivery. You can probably feel your uterus just above the pubic bone. It is almost time to take the Alpha Test (Triple Test). This week you must also undergo the necessary tests, such as a hematocrit test to check for anemia, fasting blood sugar test and general urine test for detection of any kidney disorder or urinary tract infection. Advice: Try to sleep on your left side to facilitate blood flow to the uterus and to the embryo.
What is going on with your baby?
At this stage of pregnancy, your baby has developed most reflexes and continues to grow rapidly. Your baby and the placenta have approximately the same size. Fat is starting to develop under the skin and the baby can hear sounds from the outside world. The baby is 12 centimeters long and weights 110 grams.

•18th Week of Pregnancy (Day 120 to Day 126)

What is happening to you?
Your breast is growing and it probably the time to buy a new bra. If you have a burning sensation while urinating, call your doctor immediately. Advice: Try to avoid drinking alcoholic drinks and caffeine.
What is going on with your baby?
Your baby is still growing. The genitals are fully developed now and you can find out if the baby is a boy or a girl. The baby is 13 centimeters long and weights 155 grams.

•19th Week of Pregnancy (Day 127 to Day 133)

What is happening to you?
The baby has grown inside your belly and its head is probably at the level of your belly button. You may notice some achiness in your lower abdomen, which are due to stretching of the supporting muscles and ligaments. Your temperature may be slightly up, due to the increased blood flow.
What is going on with your baby?
Your baby is growing. The blood forming cells take over blood production from the liver. If your baby is a girl, she already has her own ovum. The baby is now 14 centimeters long and weights 200 grams..

•20th Week of Pregnancy (Day 134 to Day 141)

What is happening to you?
You are already halfway through your pregnancy. You may notice some difficulty breathing; this is normal as the embryo pushes against the diaphragm and indirectly against your lungs. The top of the uterus is about at the same level with your belly button. Advice: Make sure you are taking enough iron, either through food or food supplements. Your baby needs iron for its red blood cells. Attention, however… Never take food supplements without a doctor’s prescription.
What is going on with your baby?
Your baby’s neurological system is slowly growing. This means that your baby is aware of external stimuli, such as sound, light and movement. It can now move, but the bones are still too soft to feel it. The ears are starting to show on the side of the head and stick out. A white gooey substance called meconium covers the entire body of your baby to provide protection for as long as it stays in the amniotic fluid. The gall-bladder produces the bile required for digestion.

•21st Week of Pregnancy (Day 141 to Day 147)

What is happening to you?
It is time for the Level 2 ultrasound. Its main purpose is to scan in detail the anatomy of the embryo. From this week on, your uterus grows upwards, about 1 centimeter every week. You can feel your baby strongly. Your hand and foot joints relax a little due to effect of pregnancy hormones. You may notice swelling of your feet and ankles. Drink plenty of water and put your feet up on a pillow. Advice: Try to keep your body temperature low. Avoid taking hot baths and stay away from the sauna.
What is going on with your baby?
Your baby’s growth is starting decelerate but its heart is all the more stronger, beating faster and more loudly than yours. Teeth are beginning to form under the gums; body hair on the brows, eyelids is starting to grow as well as the nails.

•22nd Week of Pregnancy (Day 148 to Day 154)

What is happening to you?
Exercise and walking help keeping your shape and help to make the delivery easier. Your appetite for food and deserts is probably mounting and your weight is starting to grow as well, so pay attention to your back and lower back. Advice: Increase your natural fiber intake to avoid constipation and hemorrhoids.
What is going on with your baby?
Your baby’s breathing is starting to develop very fast and movement is becoming stronger, so that you may be able to sense it in your belly. The brain is growing fast. Your baby’s lips and eyes are becoming more distinct.

•23rd Week of Pregnancy (Day 155 to Day 161)

What is happening to you?
Since you are past the halfway point of your pregnancy you can start thinking of how you want to give birth. You may have mood swings. Don’t worry; this is very natural during pregnancy. The pregnancy hormones make your gums swollen and irritated and they may bleed when you brush your teeth. Since your baby is growing, your appetite may have grown as well, so keep exercising and watch your diet. You can feel when your baby wakes up and goes to sleep as you sense the movements. Advice: Talk to your baby so she/he can recognize your voice once born.
What is going on with your baby?
Your baby’s ear cartilage is starting to get harder which means that it can now hear your voice; your baby is more active and is kicking harder. Real hair and nails are starting to grow on the baby’s legs and feet and the cerebral cortex gyri are developing at a fast pace. If your baby is a boy, the testicles start descending into the scrotum. The baby can now pee and drink the amniotic fluid which is renewed every 3 hours. The baby also starts to sleep and wake up.

•24th Week of Pregnancy (Day 162 to Day 168)

What is happening to you?
You may see the first stretch marks on your belly, waist, thighs and breasts. Don’t forget to hydrate your body and use a special product to enhance skin elasticity. You may experience belly aches as the connecting tissue stretches or itching due to dry skin. Take a warm bath and then massage with a soothing cream. If the aches continue call your treating physician. If you have heartburn, avoid spicy foods and coffee. Also try to eat small, frequent meals and always chew your food well. Help your body process nutrients better and adjust your temperature by drinking at least 8 glasses of water every day. You can have intercourse with your partner, unless your doctor has advised against it. The top of your uterus is now above your belly button.
What is going on with your baby?
Your baby is super active this week as it still has plenty of room to move around and still gains weight as the muscles, bones, organs and tissue develop. Meconium and the first stools are developing. The gooey substance protects your baby’s skin from the amniotic fluid. Your baby’s brain and taste buds and continuing to grow fast. Your baby can hear your heart beat and sounds from your stomach and starts to suck on his fingers.

•25th Week of Pregnancy (Day 163 to Day 175)

What is happening to you?
It is close to the time you should take the glucose screening test. You notice your body change daily. Your hormones are constantly changing, creating emotional ups and downs. Your uterus has grown significantly. Your hair and nails grow faster. You may also notice hair growing in other parts of your body. Advice: Perhaps you are not able to sleep well. Try sleeping on your side and not on your belly.
What is going on with your baby?
Your baby’s nostrils are starting to open even though the lungs are not yet fully developed; the bones are getting harder and stronger and the baby kicks. The baby may turn upside down right now and will continue to do so until week 31. The baby has more hair is almost fully formed. He looks like a human miniature. And can now also recognize daddy’s voice.

•26th Week of Pregnancy (Day 176 to Day 182)

What is happening to you?
You may notice your blood pressure go up. If your feet are swollen, massage gently as this may help you feel better. Continue exercising and eating properly. The baby is growing and you will need the strength during delivery.
What is going on with your baby?
Your baby is growing, becoming stronger and the reflexes are developing. Response to sounds is steadily improving until full development of the acoustic nerves. The baby’s heart is beating strong, the skin is thicker and tight and the eyes open for the first time. Your baby is now about 35 centimeters long.

•27th Week of Pregnancy (Day 183 to Day 189)

What is happening to you?
Your have now entered the last trimester of pregnancy. It is time to do your glucose screening test. The glucose screening test can diagnose gestational diabetes. Gestational diabetes is temporary diabetes that appears during pregnancy, while after delivery the glucose level returns to normal. If you notice any vaginal discharge, call your doctor immediately. You may experience cramps in your legs, especially during the night. You also may experience hemorrhoids or varicose veins in the legs, which will go away after delivery. Leg cramps may get worse as your pregnancy progresses. Advice: Start childbirth courses (Lamaze classes).
What is going on with your baby?
Your baby is growing and taking up all the more space in the uterus. Its movements can be felt from the outside. The baby can open and close its eyes and the brain tissue development continues. The alveoli are covered with a surfactant that helps your baby breathe after delivery. Your baby is now about 37 centimeters long and weighs approximately 900 grams.

•28th Week of Pregnancy (Day 190 to Day 196)

What is happening to you?
You can now do your Doppler scan. The Doppler scan (triplex vessel flow) is one of the most important indicators of your baby’s health and is always combined with measurements that confirm your baby’s correct development. These are: measurement of basic anatomical parameters, measurement of amniotic fluid, check placenta, embryo mobility, cardiac function and normal development and function of systems and organs. You may experience contractions or lower back pain that resemble those of your period. If these are more than 4-5 per hour, call your doctor immediately. Visits to your doctor should be every two weeks to check the uterus and your arterial pressure as well the development of your baby. Take frequent blood tests. They are necessary to confirm that your baby is healthy. You may have gained another 5 kilos during this period. Advice: Continue eating right... Call your doctor if you feel you need more vitamins.
What is going on with your baby?
Your baby continues to grow and gain fat and muscle weight. Hearing is developing and your baby can hear sounds from the outside. What is the music of choice? Premature babies born during this stage have a small chance for survival.

•29th Week of Pregnancy (Day 197 to Day 203)

What is happening to you?
Contractions may begin. Your uterus tightens for a few seconds and then returns to normal. You are gaining more weight, which is necessary for your baby’s development. You are feeling tired and heavy. Your breast is growing and may start leaking colostrum (premilk). Advice: Keep your belly moisturized to prevent stretch marks as much as possible. Try sitting with your legs crossed before you (tailor sitting) to facilitate stretching of your pelvis.
What is going on with your baby?
Your baby’s brain and head are developing, eyelashes are growing and all organs are slowly becoming fully developed. The baby’s eyes open and it can feel light changes. It moves about 10 times a week. Its weight is approximately 1 kilo. If you have a preterm labor, your baby is able to live.

•30th Week of Pregnancy (Day 204 to Day 210)

What is happening to you?
You are still gaining weight. The weight in your belly changes your center of gravity. The increasing weight put a strain on your back. When resting try using a pillow behind your lower back and a bigger pillow under your knees. This will relieve the pressure… Your uterus presses against your bladder and increases the risk of urinary tract infections. Drink plenty of water and wear cotton underwear. Continue eating properly and doing mild exercise. It will help both you and the development of your baby. Advice: Chances are you are having difficulty sleeping. A warm bath before going to bed will surely prove relaxing.
What is going on with your baby?
Your baby continues to grow and take up more space in the amniotic sac. It is gaining more weight, fattens up and the skin plumps up. The lungs and digestive system are almost ready. The baby turns with the head down or backwards and responds to light changes. It starts to shed the downy body hair (lanugo).

•31st Week of Pregnancy (Day 211 to Day 217)

What is happening to you?
Talk with your doctor about your labor details, whether for example you want an epidural analgesia. You are still gaining weight. There is more pressure on your bladder and your visits to the bathroom are more frequent. Your legs may be swollen because fluid collects in the tissue. You may be experiencing discomfort and difficulty breathing... patience until your baby moves lower in your pelvis. Your breast is growing more. Buy a bra a size larger than what you are currently wearing. You may be experiencing uterus contractions which last about 30 seconds.
What is going on with your baby?
Your baby’s brain is developing well and all sections are forming. Kicking is stronger but movement is less frequent due to lack of space in the amniotic sac. Your baby’s organs continue to mature and a layer of fat is developing under the skin. Your baby weighs about 1,500 grams.

•32nd Week of Pregnancy (Day 218 to Day 224)

What is happening to you?
Your delivery day is approaching! Start packing your bag for the maternity clinic. Buy breast pads and a good bra. Your weight increases by the week. Your uterus is pressing against your diaphragm and you feel discomfort. Advice: Try eating small, light meals to ease off the discomfort in your stomach.
What is going on with your baby?
In this stage the baby is usually with the head down. Don’t panic if that is not the case, there is still lots of time to turn… In baby boys the testicles descent towards the scrotum and all babies develop the sense of taste. Its hair and toe nails grow longer. When your baby is awake it moves like a newborn. It sucks on its thumb and touches its legs. Babies weighing 1,500 to 2,000 grams at birth have pre-term problems but they have a very good chance of survival.

•33rd Week of Pregnancy (Day 225 to Day 231)

What is happening to you?
It is time to monitor your baby’s movement. You probably notice that your feet, hands, face and ankles are swollen.
What is going on with your baby?
Your baby keeps growing. It may have hiccups, cry, taste salty and sweet and respond to light and sound. The brain and neural system are developing and guide the bodily functions. The volume of the amniotic fluid is reducing. The baby’s bones are stronger, the limbs are getting plumper and the skin takes a rosy color.

•34th Week of Pregnancy (Day 232 to Day 238)

What is happening to you?
If you are carrying twins it may be delivery time. Don’t let premature labor scare you. Babies born from this week on are healthy. The placenta is still growing. There is about 800ml of amniotic fluid, which is diminishing. You may be experiencing numbness in your pelvis which is due to the pressure from your baby. Advice: Drink as much water as you can.
What is going on with your baby?
The lungs are fully developed. The finger nails are growing. Your baby takes up all the more space in your uterus and weights about 2.2 kilos.

•35th Week of Pregnancy (Day 239 to Day 245)

What is happening to you?
Your antibodies from various illnesses start circulating to your baby through the placenta. Visit your doctor at least once a week and prepare for delivery.
What is going on with your baby?
The downy hair (laguno) is almost gone and your baby is developed. The baby does not move so much as there is not much space in your uterus, and starts developing a sleep schedule.

•36th Week of Pregnancy (Day 246 to Day 252)

What is happening to you?
Do the necessary routine tests suggested by your doctor. Prepare to give birth to your baby.
What is going on with your baby?
Your baby is in the lower part of your uterus in the head-down position and… ready to be born. The skin is rosy and soft.

•37th Week of Pregnancy (Day 253 to Day 259)

What is happening to you?
The next days are a waiting game. Try to enjoy this period before your baby is born, eat well and get plenty of rest. You may have heavy vaginal discharge and feel very hot during this advanced stage of pregnancy. Advice: Splash cold water on your face to cool down. Remember to drink lots of water as sweating will dehydrate you fast.
What is going on with your baby?
Your baby is now considered “full term”! Remember that only 5% of babies are born on possible due date.

•38th Week of Gestation (Day 260 to Day 266)

What is happening to you?
In just a few days you will be holding your baby in your arms. Prepare for delivery and what you will need after your return home. Check again the things that you need and select the clothes that you and your baby will be wearing on your return home from the clinic.
What is going on with your baby?
Your baby’s lungs have matured and the baby has settled in your pelvis. This procedure is called positioning. Chances are the baby has taken the final position (head-down presentation). However, it is possible to be the bottom-down position (breech presentation). This new position does not keep the baby from kicking.

•39th Week of Pregnancy (Day 267 to Day 273)

What is happening to you?
Even though you need to pee more frequently, continue walking!
What is going on with your baby?
Your baby is moving towards the cervix.

•40th Week of Pregnancy (Day 274 to Day 280)

What is happening to you?
The weight of your initial fertilized ovum has increased by six billion times. Your Due Date is here. 280 days have passed since the beginning of your last period. Labor contractions begin… They become all the more frequent and last longer.
What is going on with your baby?
Your baby is born… It has been a wonderful, unique experience… Congratulations!!!




Rea Maternity Hospital
383, Siggrou Ave. & 17, Pentelis 17564 Palaio Faliro, Athens, Greece
Tel: +30 210 9495000, fax: +30 210 9495999, email: info@reamaternity.gr