Sex-related growth differences are present but not enhanced in in vitro fertilization pregnancies.

ABSTRACT:

Objective

To determine whether IVF modifies the effect of fetal sex on growth.

Design

Retrospective cohort study.

Setting

Tertiary care center and related facilities.

Patient(s)

Singleton live births without fetal/maternal comorbidities from fertile women who conceived without the use of assisted reproductive technologies and infertile women who conceived with IVF.

Intervention(s)

None.

Main outcome measure(s)

The primary outcome was birth weight (BW). Secondary outcomes were fetal crown-rump length (CRL) in the first trimester, biparietal diameter (BPD), and estimated fetal weight (EFW) in the second trimester.

Result(s)

There were no differences in baseline characteristics between women carrying male fetuses and those carrying female fetu

SUBMITTER: O'Neill KE 

PROVIDER: S-EPMC3939682 | biostudies-literature | 2014 Feb

REPOSITORIES: biostudies-literature