One of the common causes of a miscarriage is an anembryonic pregnancy, or blighted ovum in which the gestational sac gets formed, but there is no baby. So, initially you may experience symptoms of ...

Female: At birth, a girl's pair of ovaries contain up to 1,000,000 follicles, which are hollow balls of cells, each with an immature egg (or ovum ... likely to carry a baby with abnormalities.

It keeps the baby in place during pregnancy ... They then travel along the oviducts where a sperm might fertilise an ovum. Looking for more science resources to share with your students?

In contrast, each egg cell, or ovum, is relatively large and non-motile. During fertilization, a spermatozoon and ovum unite to form a new diploid organism.