Is It Normal For Baby Bump To Get Smaller?
Strong abdominal muscles mean a growing uterus is going to stay closer to the core of the body, Kirkham explained, making a bump appear smaller.
Baby's position As they near the end of pregnancy they usually prefer a head down position but they can move their backs from one side to the other and depending on their position your bump may fluctuate in size.
6 reasons why bump size is different to baby's. - Aptaclub.ie
Is it normal for your belly size to fluctuate during pregnancy?
Your pregnant belly is unique and will change throughout your pregnancy depending on factors like your height, weight, pre-existing conditions, muscle mass, trimester, baby's size, and more. There is no one “normal” pregnant belly shape, size, or appearance.
Pregnant Belly: First, Second, and Third Trimesters - Verywell Health
Why is my pregnant belly getting smaller?
Your uterus will tend to grow upwards rather than push outwards. Result: your belly will look smaller. If you're a shorter woman, there's a smaller space between your hip and your lowest rib. That means less room for the baby to grow upwards, so your uterus will push outwards instead.
7 Reasons Why Belly Size Doesn't Always Equate To Baby Size