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  • gravida: a woman who is pregnant
  • gravidity: pregnancy
  • multigravida: a woman who has had two or more pregnancies
  • multipara: a woman who has completed two or more pregnancies to the stage of fetal viability
  • nulligravida: a woman who has never been pregnant
  • nullipara: a woman who has not completed a pregnancy with a fetus or fetuses who have reached the stage of fetal viability
  • parity: the number of pregnancies in which the fetus or fetuses have reached viability when they are born, not the number of fetuses (e.g., twins) born. Whether the fetus is born alive or is stillborn (fetus who shows no signs of life at birth) after viability is reached does not affect parity
  • postdate or postterm: a pregnancy that goes beyond 42 weeks of gestation
  • preterm: a pregnancy that has reached 20 weeks of gestation but before completion of 37 weeks of gestation.
  • primigravida: a woman who is pregnant for the first time
  • primipara: a woman who has completed one pregnancy with a fetus or fetuses who have reached the stage of fetal viability
  • term: a pregnancy from the beginning of week 38 of gestation to the end of week 42 of gestation
  • viability: capacity to live outside the uterus; about 22 to 24 weeks since last menstrual period, or fetal weight greater than 500 g
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