The word pregnancy refers to the period in which a woman nurtures her child in her womb. This is also known as gravidity or the gestation period. Pregnancy lasts for about 38-40 weeks from the last menstrual period till the birth of the child. It is divided into three trimesters, and the first trimester begins from conception and goes on till 12 weeks, followed by the next two. The diagnosis of pregnancy is done by detection of HCG, serum pregnancy test, urine pregnancy tests and home pregnancy tests. Prenatal care is provided to pregnant women, which includes intake of folic acid, avoiding drugs and alcohol, regular exercising, blood test and regular physical examinations.