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Pregnancy Stages

Prenatal Growth and The Baby's Birth

Fertilization of the ovum by the sperm occurs in the fallopian tube, which is located on the topmost part of the uterus, deep in the woman's body. The sperm from the man are deposited in the vaginal canal and move toward the fallopian tube. When one successful sperm merges with the ovum, fertilization has occurred. The fertilized egg moves deeper into the uterine cavity and attaches to the uterine lining. There it forms a cluster of new cells that continue to grow rapidly to form the baby's body structure and organs. Inside the woman's body, the developing baby is protected and can move freely within the fluid-filled amniotic sac.

How to know when you're pregnant

During the 9 months of pregnancy, the placenta (a spongy sac) transmits nourishment and oxygen from the woman to the baby and disposes of wastes.

Continue on to
Pregnancy Stages
Trimesters
 
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