G P A Helps us gain info about pregnancy gravida 2 para 1 abortus 1 tells delivered when para and abortus added equals the gravida Gravida number of pregnancies g1 p0 abortus 1 if never had a baby postpartum delivered at term after delivery in postpartum g1 p1 a0 if early inpregnancy 1st pregnancy and had spontaneous abortion at 12 weeks gestation anything before 20 weeks is considered abortus g1 p0 a1 This is number of pregnancies not number of babies Para number of pregnancies delivered after 20 weeks gestation Abortus pregnancies delivered from conception until the time of 20 weeks Gravida Number of pregnancies describes number of pregnancies Nulligravida Never been pregnant never had a pregnancy not even a miscarriage Primigravida In her first pregnancy prime 1st pregnancy Multigravida Someone who has had 2 or more pregnancies multi multiple Parity Para Number of pregnancies delivered after 20 weeks gestation normal pregnancy that is 9 calendar months equivalent to 40 weeks at 40 weeks gestation that is viewed to be at term give 2 weeks on either side of 40 weeks to be considered term 38 weeks 41 and 6 7th weeks Any baby delivered after 20 weeks so included babies preterm at term or post term Primipara Someone who has delivered one pregnancy Multipara Someone who has delivered 2 or more pregnancies number of pregnancies not babies Abortus Number of pregnancies delivered from conception to 19 6 7th weeks gestation G T P A L gives us more info about the patients OB history preterm pregnancy or term pregnancy abortus means the same thing delivery prior to 20 weeks gestation and then how many living children because we want to know if all of these pregnancies have achieved a living child or if a child was still born or if a child was killed in car accident or in NICU 38 weeks 41 6 7th weeks post term 38 weeks delivery G Gravida T Term pregnancy P Preterm pregnancy 20 weeks 37 6 7th weeks A Abortus conception 19 6 7th weeks L Number of living children G P A G3 P1 A1 G T P A L G3 T1 P0 A1 L1 Calculation of due date using Naegle s Rule EDC estimated date of confinement EDD estimated date of delivery EDB estimated date of birth LMP first day of last menstrual period LMP minus 3 months plus 7 days LMP April 15 4 15 3 7 1 22 January 22 EDB