Biological_Process_Has_Initiator_Process Biological_Process_Is_Part_Of_Process CTRP Terminology CTRP Disease Terminology Perinatal Terminology Fertilization Reproduction CDISC SEND Microscopy Reproductive Cycle Phase Response Terminology Reproductive Process Pregnancy PREGNANCY NICHD C0032961 Pregnancy pregnancy CTRP The condition between conception (fertilization of an egg by a sperm) and birth, during which the fertilized egg develops in the uterus. In humans, pregnancy lasts about 288 days. The state or condition of having a developing embryo or fetus in the body (uterus), after union of an ovum and spermatozoon, during the period from conception to birth. FDA CDISC Pregnancy Gestation Pregnancy C25742 Pregnancy The fertilization and development of one or more offspring, known as an embryo or fetus, in a woman's uterus. Organism Function Morphologic appearance in female reproductive tissues representative of pregnancy. Clinical Data Interchange Standards Consortium Terminology CDISC SEND Terminology NICHD Terminology