Pregnancy: What To Expect Week By Week

Pregnancy is one of the most unusual and thrilling things that will ever happen in your life. And while pregnancy is different for every woman, if it’s your first time carrying a baby, you want to be prepared for the various aspects of pregnancy. Here is your pregnancy explained week by week!

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1. First trimester

Typically, a pregnancy lasts 40 weeks. For the convenience of the expectant mothers and the medical professionals taking care of them, pregnancy is divided into three periods called a trimester. The first trimester includes weeks 1 to 13. Here is what will be happening to you and your body:


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  • Week 1 and 2: you are not actually pregnant at this point and your body is only preparing for the conception. Keep your stress levels low and your diet healthy.
  • Week 3: by the end of week 3, the egg has been fertilized and is now implanting in your uterus. Mild cramps and light vaginal bleeding are normal at this stage.
  • Week 4: if you are actively trying to conceive, by now you will probably notice those early pregnancy symptoms and will do a home test to find out whether you are pregnant.
  • Week 5: this week introduces most pregnant women to exhaustion, breast tenderness, and nausea.
  • Week 6: starting from this time, you may begin experiencing morning sickness, although it may not be as severe right now.
  • Week 7: by week 7, your morning sickness is in full force, which may prevent you from doing your usual morning routine or work.
  • Week 8: 8 weeks of pregnancy is a good time to first visit the doctor who will monitor you until you give birth.
  • Week 9: your uterus begins growing to accommodate your baby, but you won’t have any baby bump yet.
  • Week 10: by this point, your doctor may take your blood and urine samples to confirm everything is going as it should.
  • Week 11: many women get their first ultrasound on week 11 to see whether the pregnancy is developing as planned.
  • Week 12: if you have lighter skin, you may start noticing dark pigmentation on your face and neck area. This skin discolouration is perfectly normal and should disappear once you give birth.
  • Week 13: you may not be showing yet in your baby bump area, but your breasts are noticeably larger and still very tender.

2. Second trimester

During the second trimester, numerous important pregnancy processes take place and you will begin to notice more and more symptoms signalling you are about to become a mother. During weeks 14 to 26, you may experience the following things:


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  • Week 14: you may want to start wearing looser clothes or special maternity clothing items to feel more comfortable.
  • Week 15: your doctor may suggest a genetic test to rule out any genetic conditions that may complicate the pregnancy and the baby’s life after birth.
  • Week 16: if the results are not clear, an amniocentesis procedure may also be required.
  • Week 17: by now, many pregnant women are already feeling their baby kick, even when it’s very subtle at first.
  • Week 18: at this point, most women already have a baby bump that is noticeable not only to themselves and their loved ones, but also to strangers.
  • Week 19: you may experience runny or stuffy nose even when you are not sick or suffering from known allergies.
  • Week 20: at this stage of the pregnancy, a second ultrasound may be scheduled and you can even find out the baby’s sex if you want to.
  • Week 21: this is a time when you first may start experiencing Braxton Hicks contractions that prepare your body for the process of giving birth.
  • Week 22: you may want to begin planning your birth procedure and finding a doctor who will assist you in the process.
  • Week 23: by this time, you may experience trouble sleeping due to leg cramps. A special pregnancy pillow may help you sleep better.
  • Week 24: you may start noticing your body developing stretch marks around the belly, thighs, and breasts.
  • Week 25: you probably need to visit the toilet more and more often, even during the night, which also doesn’t help with a healthy sleeping schedule.
  • Week 26: constipation is absolutely normal at this stage of the pregnancy and you can try some natural methods to alleviate this condition.

3. Third trimester

The third trimester may be the hardest one in pregnancy, but it also brings you closer and closer to becoming a mother. Here is what you can expect on weeks 27 to 40 of your pregnancy:


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  • Week 27: by now, your baby should move around more, which is a wonderful feeling but can also be painful sometimes.
  • Week 28: as your uterus grows to support the baby’s growth, you may experience constant back pain. A maternity belt and some mild exercising may help with the discomfort.
  • Week 29: at this stage, one of the most dreaded pregnancy symptoms, haemorrhoids, may occur. It’s best to consult a doctor right away to avoid serious complications.
  • Week 30: you may notice that your footwear no longer fits you. This may happen due to swollen feet, as well as your foot size growing permanently during pregnancy.
  • Week 31: your breasts may start leaking yellow liquid, which is called colostrum and is very important as your baby’s first-ever food.
  • Week 32: the area around your nipples and the nipples themselves may become darker and should go back to their natural colour once the pregnancy is over.
  • Week 33: your body produces a lot more blood than usual, but it is hardly noticeable.
  • Week 34: exhaustion is perfectly normal at this stage of the pregnancy and it’s best to stop working completely and rest more whenever possible.
  • Week 35: you may experience shortness of breath due to your uterus becoming even bigger and pressing against other organs, including lungs.
  • Week 36: the baby starts descending into your pelvis to prepare for birth, which may cause pelvic discomfort.
  • Week 37: you may notice your body discharge the mucus plug which has guarded your cervix throughout the pregnancy. At this stage, you are one step closer to birth.
  • Week 38: the swelling may get worse, but if your blood pressure is normal, it should be nothing to worry about.
  • Week 39: the Braxton Hicks contractions, which you experience throughout pregnancy, may get more noticeable and may signal that labour will begin shortly.
  • Week 40: your baby is on its way. If labour doesn’t begin by the end of week 40, medical supervision may be required. There are only moments left until you finally become a mother!

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My name is Inna. I am a content writer with an English and literature background. As a mother of a 3-year old son, I love learning about children’s health and development, as well as finding new interesting toys and activities for my little one. I am also in love with all things tech and always keep my finger on the pulse of new smartphone and gadget releases. Another big passion of mine is beauty and makeup – every day I read about new trends in skin care and makeup and always look forward to trying them. Plus, I love pop culture, travelling, crafts, and anything that can make our daily life more thrilling!