Sir Kata's Collection Collection by Sir Kata itchioIn the family way stomach increase throughout having a baby is a natural process. The pregnant woman's stomach steadily increases in size. Such tummy extension during pregnancy is an amazing symptom of the baby's presence. As the baby progresses, the pregnant belly stretches, creating an evident indication that a baby is on the way. It's a special time for the pregnant woman to observe enlarging while her little one flourishes.