Gravidity and Parity Definitions

What are Gravida and Para?

Imagine you are looking your favorite scientific drama. The ambulance team rushes thru the door with a affected person and fast reports, ‘We have a 26-yr-vintage girl in hard work, G2 P1, 38 weeks pregnant!’ Are you thinking, ‘What is G2 P1, and might I trap it?’ Don’t worry, G2 P1 is scientific shorthand for gravida 2 para 1, a short manner to give an explanation for what number of pregnancies and births a girl has had.

The time period gravida comes from the Latin word gravidus. It is used to explain a girl who’s pregnant and is likewise a scientific time period for the overall quantity of showed pregnancies a girl has had, no matter the final results of the being pregnant. For instance, a girl who’s pregnant for the primary time can be termed a primigravida, this means that first being pregnant.

Para refers to the overall quantity of pregnancies that a girl has carried beyond 20 weeks of being pregnant. This quantity consists of each stay births and being pregnant losses after 20 weeks, inclusive of stillbirths. The time period primipara can be used to explain a girl who has had one transport after 20 weeks, and multipara is used for a girl who has had or extra births. Nulliparous is the time period that describes a girl who has by no means given delivery after 20 weeks of being pregnant.

Calculating Gravidity and Parity

Gravidity consists of all showed pregnancies. Each being pregnant is simplest counted one time, even supposing the being pregnant became a more than one gestation, inclusive of twins or triplets. For instance, a girl who has had a miscarriage at eight weeks of being pregnant, a delivery of twins at 36 weeks of being pregnant, and a delivery of a unmarried infant at forty weeks of being pregnant is a gravida three; she has had three showed pregnancies.

Parity displays the overall quantity of births after 20 weeks, now no longer the overall quantity of babies born. Using the equal instance as above, the girl with one eight-week being pregnant loss, a stay delivery of twins, and a stay delivery of a unmarried little one might be a para 2, despite the fact that she has given delivery to a few babies and has been pregnant three times.

Para also can be recorded the use of a four-digit gadget to encompass more detail. The acronym for the four-digit gadget is T-P-A-L:

  • T is the abbreviation for time period transport, commonly taken into consideration to be 37 weeks gestation or after.
  • P stands for the quantity of preterm deliveries among 20 and 36 weeks gestation.
  • A is described because the quantity of spontaneous (additionally referred to as a miscarriage) or triggered abortions.
  • L represents the quantity of residing children.

Continuing to comply with the preceding instance. Hence, the girl’s pregnant records might written as G3 P2 T1 P1 A1 L3. The healthcare crew might interpret this data as 3 pregnancies. Births after 20 weeks, one delivery at time period. One preterm delivery, one abortion earlier than 20 weeks, and 3 residing children.


Why is that this data essential to healthcare providers? A girl’s records of general pregnancies and births. Additionally the information of T-P-A-L, are essential each out of doors of and in the course of being pregnant. Moreover, pregnancy records may also offer clues to sure fitness issues or can assist to expect healthcare needs. For instance, a girl who has already introduced a infant. This will commonly have a quicker hard work than a girl having her first infant. So whilst the ambulance team on that TV drama says. ‘We have a 26 yr vintage girl in hard work, G2 P1, 38 weeks pregnant.’ The healthcare crew is aware of to put together for a likely speedy delivery.

Risks related to nulliparity/primagravidae

  • Higher hazard of growing pre-eclampsia (relative hazard 2.1 with self belief c programming language 1.9-2.4
  • Delayed first degree of labour, despite the fact that this will be taken into consideration ordinary in a primagravida.
  • Dystocia (or hard labour) became recognized in 37% of primagravidae in a single Danish study. Moreover, maternal age is an impartial hazard component for dystocia, no matter parity.

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