Pregnancy: When Does the Belly Begin to Grow?

Pregnancy: When Does the Belly Begin to Grow?
Illustration of a pregnant woman. Credits: Freepik

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Pregnancy is an extraordinary time filled with both physical and emotional changes. Among the most noticeable physical transformations is the growing belly.

As the baby develops, the uterus requires more space. What starts as a small, pear-shaped organ expands significantly to accommodate the growing fetus. So, when exactly does the belly start to show signs of growth during pregnancy?

 

When Does the Belly Begin to Grow in Pregnancy?

Typically, a pregnant woman's belly starts to grow during the second trimester, between the 16th and 20th weeks. However, the rate and extent of belly growth can vary based on several factors, including:

  • Whether it’s the woman’s first or a subsequent pregnancy
  • Her body type and size before pregnancy
  • How many babies are in the womb (single or multiple)
  • The woman's overall health and weight

Changes in the Belly During the First Pregnancy

For first-time pregnancies, belly growth tends to occur more gradually compared to later pregnancies. This is because the abdominal muscles are still firm and take longer to stretch as the uterus enlarges.

Changes in the Belly During Second or Subsequent Pregnancies

In second or subsequent pregnancies, women may notice their bellies expanding earlier, typically around weeks 6 to 8. Several factors contribute to this:

  • The abdominal muscles are looser and less elastic, which means the belly can expand more quickly.
  • The uterus has already expanded during the first pregnancy and may not return to its pre-pregnancy size or position.
  • Previous pregnancies make the body more responsive to pregnancy hormones, so physical changes appear sooner.
  • The body is more prepared to store extra fat and fluids during subsequent pregnancies.
  • In later pregnancies, the fetus tends to sit lower in the uterus due to more relaxed pelvic muscles.

Changes in the Belly During a Twin Pregnancy

In twin pregnancies, the belly generally grows more quickly than in single pregnancies. The presence of two fetuses causes the uterus to expand more rapidly.

Each baby in a twin pregnancy has its own amniotic sac, leading to more amniotic fluid. Additionally, the combined weight of both babies contributes to the quicker enlargement of the belly, as there are two developing fetuses instead of one.

 

Tips for Staying Healthy During Physical Changes in Pregnancy

As the belly grows, it’s natural to experience some discomfort due to physical changes. To ensure a healthy pregnancy, here are a few helpful tips:

  • Wear comfortable, supportive clothing to accommodate your changing body.
  • Maintain a balanced diet and limit foods that are overly greasy or sugary.
  • Engage in light exercises to keep your body fit and reduce tension in your abdominal and back muscles.
  • Drink plenty of water to keep your skin hydrated as your belly expands.
  • Use moisturizers or natural oils to reduce stretch marks and maintain skin elasticity.

In addition to these steps, it’s essential to have regular check-ups with your doctor to monitor the baby’s development and ensure the uterus is growing properly. Regular prenatal visits are crucial to maintaining both maternal and fetal health.

If you have any questions or concerns during your pregnancy, you can consult a doctor through the Ai Care app, available for download on the App Store or Play Store. With this app, you can easily get answers from trusted healthcare professionals, anytime and anywhere.

 

Looking for more information about pregnancy, breastfeeding, women's and children's health? Click here!

 

Writer : Agatha Writer
Editor :
  • dr Hanifa Rahma
Last Updated : Tuesday, 4 February 2025 | 15:08

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