Terms in Obstetrics (Part-2)

In this article, we will discuss some of the Terms used in Obstetrics Part-2. So, let’s get started.


Gestation: Duration of the pregnancy, usually 280 days or 40 weeks, marked from the first day of the last menstrual period.

Trimesters: Division of weeks of pregnancy first, 1-13 weeks; second, 14-17 weeks; third, 28-40 weeks.

EDC/EDD: “Expected date of confinement” (EDC) is an old-fashioned term indicating the date of a woman was expected to deliver and be confined. A more mordern term, estimated date of delivery (EDD), is now commonly used.

Parturient: A woman in labour

Pre-term labour: Labour that starts after the 20th but before the 37th week.

Term labour: Labour initiated after the 37th week of pregnancy but before the 42nd week.

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