Belly Size during Pregnancy – Week by Week Chart

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Belly Size during Pregnancy - Week by Week Chart

Women are often trouble with their weight. To them, losing weight, particularly losing belly fat, is an ongoing journey. You try every possible thing to shed off that belly fat, but when you come to know that you are pregnant, you somehow learn to accept it. Gradually, your growing belly makes you happier than ever and why won’t it? You are pregnant and soon will be a mother to a wonderful tiny baby. However, you should know that how much belly growth is actually good growth. The following article will provide you information about the same.

Does Belly Size in Pregnancy Really Matter?

When you are pregnant, people have their set of opinions regarding the belly size. They’ll tell you according to their experience, but the truth is, the size of the belly does not matter in pregnancy. As long as you are not overweight or obese during pregnancy, it is not a problem. The size of your belly should not be a concern to you, because not even a doctor can indicate your pregnancy duration until and unless an examination test is done.

Can Belly Size Accurately Indicate Your Stage of Pregnancy?

Your belly size cannot accurately indicate the stage of your pregnancy; however, if you look into the hit and trial method, things may seem to work out. Whether your belly is small or big, you cannot exactly determine the stage of your pregnancy. All women have a different body; if your friend’s bump was big enough in 6 months of pregnancy, it does not mean you will be the same size. Even if you have a small belly bump and if your doctor says that things are fine, then you need not concern yourself.

Why Doesn’t Belly Size Always Equate to a Baby’s Size?

No matter how big or small belly size is during pregnancy, it doesn’t equate to the size of the baby because of the following reasons:

1. A Woman’s Height

If a woman is tall and has a long abdomen, then her belly won’t grow outwards and the size of the bump will appear smaller. This is because the long abdomen makes way for more space for the baby to grow. Thus the baby grows upwards rather than outwards. On the other hand, if a woman is short, there is less space present between the butts and the lowest rib. This, in turn, implies lesser space for the baby to grow upwards, thus the overgrown bump size.

2. First Pregnancy

If you are having a baby for the first time, your body will grow bigger for the first time. This means that you will have stiff muscles that will make your uterus compact. Also, the muscles of the bump that were not stretched will stretch now. Thus the baby bump looks compact or smaller than what is expected.

3. The Positioning of the Baby

You know that your baby moves in the uterus. The activities of your baby in the uterus may change his positioning to an extent. Usually, by the end of the pregnancy, the baby’s position is heads-down, but due to the baby’s activities, the position may turn to heads-up. Such a change of position could change your belly size.

Baby in the womb

4. Lack of Internal Space

When your baby grows in your womb, certain other organs have to compromise with the positions they generally hold. Be it placenta, intestines, or any other internal organ; a compact spacing could tend to overlap or could be pushed behind it. This may result in your bump looking all big similar to the size of the baby. And, in case the intestines may find a place near the uterus’ edges, the belly may look bulged out from the sides as well.

5. Earlier Pregnancies

Abdominal muscles are generally stiff when you are pregnant for the first time. But during your second pregnancy, your abdominal muscles get comfortable and stretch easily to ensure that there would be enough space for the baby. Such a condition may result in your bump looking bigger even before its time. However, this does not imply that your baby size is bigger; rather it means that the belly has become flexible enough to expand.

6. Amniotic Fluid

The amniotic fluid surrounds the foetus during pregnancy. If the amniotic fluid is too much, it could pose a problem and if the fluid level is not adequate, then also it is a problem. It is known that in the first 20 weeks or so, the woman’s body produces amniotic fluid whereas after that the baby itself becomes developed enough to secrete the fluid from the lungs. Thus, the amount of this amniotic fluid in the belly could also influence the belly size.

7. A Baby’s Size

Genetics play a major role in defining the baby’s size. If the parents are tall, the baby will come with the similar traits. Also, the birth order could define the baby’s weight. The first baby would not be that big in size as compared to the second one. Another factor could be the nutrition a woman gets. If a woman does not get the required nutrition, the baby may grow less and vice versa.

Pregnancy Belly Size Chart

Excited about the new bundle of joy entering your life? Here’s a week by week size chart that show’s your baby’s growth and how will you feel as your baby will grow.

Pregnancy Week Belly Size
Week 1Week 4
  • Ovulation takes place.
  • Fertilisation of egg by the sperm.
  • No noticeable difference as the baby is about 2mm long.
Week 4- Week 8
  • Your baby may have grown to an inch, but there is unlikely to be any major difference.
  • You may experience some tightness in your belly.
Week 8- Week 12
  • The baby would be about 2.5-3 inches long. You may see an incremental increase in your waist and your pants may get tighter.
Week 12- Week 18
  • Your baby will be about 5 inches by now.
  • Your bump will be noticeable, and this is the ideal time to spread the good news.
Week 18- Week 22
  • Your baby will be 7 inches by now.
  • Your bump may attract the attention of strangers who may inquire about your pregnancy status.
Week 22-Week 26
  • There will be rapid growth during this time, and your baby will reach up to 15 inches.
  • Your belly size would have also increased and could be the same as tucking in a basketball under your shirt.
Week 26- Week 30
  • The growth of your baby will be stable and he will grow to around 18 inches.
  • The increase in the size of the belly will be based on the growth of your baby.
Week 30-Week 32
  • While the baby is still growing, the growth is tapered.
  • Your belly may not have increased as such but would definitely look as if it is popping out.
Week 32-Week 36
  • Your baby will be approximately 19-22 inches.
  • This is the largest that your belly will ever grow during pregnancy. It will feel crowded but you won’t put on too much weight from now.
  • It will large an curvy.

Sources: https: //www.lifehack.org/310357/when-you-start-showing-pregnancy-herere-the-month-month-pregnant-belly-pictures

This was all about your baby’s growth and belly size during pregnancy. Do not believe anyone when they say anything about your belly size. Rather refer to the chart above to track down the changes. However, keep in mind that the size values given are general and may not strictly imply to you.

Also Read: Your Belly Button While Pregnant

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