Organism Function
pregnancy Audio
preg·nan·cy [ preg-nuhn-see ]
Subclass of:
Reproduction
Definitions related to pregnancy:
  • Condition of having a developing embryo or fetus in the body.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • Period from conception to childbirth.
    The Omaha System
    Omaha Systems, 2005
  • Pregnancy is 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.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • 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.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • The fertilization and development of one or more offspring, known as an embryo or fetus, in a woman's uterus.
    NICHD Pediatric Terminology
    U.S. National Cancer Institute, 2021
  • 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.
    NCI Thesaurus
    U.S. National Cancer Institute, 2021
  • The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2021
  • (female pregnancy) The set of physiological processes that allow an embryo or foetus to develop within the body of a female animal. It covers the time from fertilization of a female ovum by a male spermatozoon until birth.
    Gene Ontology Dictionary
    Gene Ontology Consortium, 2021
  • Gestation, in mammals, the time between conception and birth, during which the embryo or fetus is developing in the uterus. This definition raises occasional difficulties because in some species (e.g., monkeys and man) the exact time of conception may not be known. In these cases the beginning of...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
  • Pregnancy, process and series of changes that take place in a woman's organs and tissues as a result of a developing fetus. The entire process from fertilization to birth takes an average of 266-270 days, or about nine months. (For pregnancies other than those in humans, see gestation.) A new...
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2020
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This content should not be used in place of medically-reviewed decision support reference material or professional medical advice. Some terms may have alternate or updated definitions not reflected in this set. The definitions on this page should not be considered complete or up to date.