Pregnancy, Childbirth and Maternal HealthAbout This Hardback Pregnancy or gestation refers to the time when one or more offspring are developed inside a woman's womb. It can occur by sexual intercourse or using reproductive technology. Childbirth generally occurs in 40 weeks or 9 months from the start of the last menstrual period. Some of the symptoms of pregnancy are missed periods, tender breasts, hunger, frequent urination, and nausea and vomiting. It can be diagnosed by doing physical