Definition of Pregnancy Opposing Claim1 #238051 Source Merriam Webster |
pregnancy noun (Concise Encyclopedia) Full-term fetus in the uterus. The amnion, formed from the inner embryonic membrane, encloses the …—© Merriam-Webster Inc. Process of human gestation that takes place in the female's body as a fetusdevelops, from fertilization to birth (seeparturition). It begins when a viablesperm from the male and egg from theovary merge in the fallopian tube (seefertility; fertilization). The fertilized egg (zygote) grows by cell division as it moves toward the uterus, where it implants in the lining and grows into an embryo and then a fetus. Aplacenta and umbilical cord develop for nutrient and waste exchange between the circulations of mother and fetus. A protective fluid-filled amniotic sac encloses and cushions the fetus. |