GENERAL OBSTETRIC’s DEFINITION

Gravida
Any pregnancy, regardless of duration: also, the number of pregnancies, including the one in progress, if applicable.

Nulligravida
A woman who has never been pregnant.

Primigravida
A woman who is pregnant for the first time.

Multigravida
A woman who has been pregnant before. Regardless of the duration of the pregnancy.

Para
A woman who has given birth to one or more children who reached the age of viability (20 weeks gestation). Regardless of the number of fetuses delivered and regardless of whether those children are now living.

Multipara
A woman who has given birth to two or more children (past the point of viability), regardless of whether the children were alive. The term is also used informally to describe a woman before a birth of her second child.

Nullipara
A woman who has not given birth to a child who reached the point of viability.

Abortion
Termination of pregnancy before viability (20 weeks gestation), either spontaneously of induced.

Gestational age
Prenatal age of the developing fetus calculated from the first day of the woman LNMP.

Fertilization age
Prenatal age of the developing fetus calculated from the date of cpnception: approximately 2 weeks shorter than the gestational age.

Age of viability
A fetus that has reached the stages (usually 20 weeks) where it is capable of living outside the uterus.