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ABSTRACT: Objective
To determine the maternal demographic, health, and fertility variables underlying prematurity.Design
Retrospective: Society for Assisted Reproductive Technology Clinic Outcome Reporting System data linked to Massachusetts birth certificates and hospital stays.Setting
Not applicable.Patients
We included 166,963 privately insured, singleton, first births to women ≥18 years of age between 2004 and 2013. Deliveries were as follows: assisted reproductive technology (ART) when linked to Society for Assisted Reproductive Technology Clinic Outcome Reporting System, medically assisted reproduction (MAR) when fertility treatment was indicated on the birth certificate, unassisted subfertile (USF) when there were indications of subfertility but no treatment, a
SUBMITTER: Stern JE
PROVIDER: S-EPMC7554177 | biostudies-literature | 2020 Oct
REPOSITORIES: biostudies-literature