It's normal for babies not to move every day, especially early in pregnancy. Many factors can affect fetal movement, including the baby's sleep cycle and amniotic fluid levels. Contact your health ...

Pregnancy is a time full of wonder, excitement, and sometimes a bit of worry. The amniotic sac is one of the most fascinating parts of this journey. It is a thin but strong membrane that naturally ...

Los Angeles – All moms think their babies are extraordinary, but 10-week-old Silas actually is. When he was born prematurely via C-section at just 26 weeks, his amniotic sac didn’t rupture at birth, a ...

Fetal movements are one of the most reassuring signs of a baby’s well-being during pregnancy. However, they can also raise concerns for expectant parents who may be unsure what is normal. In this Q&A, ...

Microscopy image of a PGA at day 8 showing the early tissues supporting the embryo, including the amniotic sac and the yolk sac-like structures, surrounded by (extra-embryonic) mesoderm tissue.

Researchers have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four weeks after fertilization. This is ...