Gravida indicates the total number of times a woman has been pregnant, regardless of whether these pregnancies were carried to term. A current pregnancy, if any, is included in this count. Para / Parity indicates the number of viable (>24 wks) births. Pregnancies consisting of multiples, such as twins or triplets, count as ONE birth for the purpose of this notation. Abortus is the number of pregnancies that were lost for any reason, including induced abortions or miscarriages. The abortus term is sometimes dropped when no pregnancies have been lost. Many trusts do not use abortus at all. Nulliparous indicates a woman who is pregnant for the first time and/or has never given birth to a viable child ie. older than 24 weeks gestation Primiparous indicates a woman who has given birth to one viable child Multiparous indicates a woman who has given birth to two or more viable children Multigravida indicates a woman who is pregnant for the second + time Primigravida indicates a woman who is pregnant for the first time Therefore, the history of a woman who has had two pregnancies (both of which resulted in live births) would be noted as G2P2. A woman who had 4 pregnancies, one of which was miscarried, is noted as G4P3A1.