The period from conception to birth. After the egg is fertilized by a sperm and then implanted in the lining of the uterus, it develops into theplacenta and embryo, and later into a fetus. Pregnancy usually lasts 40 weeks, beginning from the first day of the woman's last menstrualperiod, and is divided into three trimesters, each lasting three months.
Related Journals for Pregnancy
Gynecology & Obstetrics, Journal of Fertilization: In Vitro - IVF-Worldwide, Reproductive Medicine, Genetics & Stem Cell Biology, Journal of Pregnancy and Child Health, Reproductive System & Sexual Disorders, Journal of Womens Health Care, BMC Pregnancy and Childbirth, British Journal of Midwifery, Breast Diseases, Current Problems in Obstetrics, Gynecology, and Fertility, Fertility and Sterility, Gynecological Surgery.