Early termination of pregnancy: differences in gestational age estimation using last menstrual period and ultrasound in Mexico.

ABSTRACT:

Background

Gestational age estimation is key to the provision of abortion, to ensure safety and successful termination of pregnancy. We compared gestational age based on reported last menstrual period and ultrasonography among a large sample of women in Mexico City's public first trimester abortion program, Interrupcion Legal de Embarazo (ILE).

Methods

We conducted a retrospective study of 43,219 clinical records of women seeking abortion services in the public abortion program from 2007 to 2015. We extracted gestational age estimates in days based on last menstrual period and ultrasonography. We calculated the proportion of under- and over-estimation of gestational age based on last menstrual period versus ultrasonography. We compared overall differences in estimates and fo

SUBMITTER: Saavedra-Avendano B 

PROVIDER: S-EPMC7285429 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature