Singleton pregnancies after in vitro fertilization in Estonia: a register-based study of complications and adverse outcomes in relation to the maternal socio-demographic background.

BMC Pregnancy Childbirth · 2019 · PMC6352442 · PMID 30696425

Europe PMC DOI

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did not reach statistical significanceno p-value reported

Somewhat elevated risk of spontaneous preterm birth did not reach statistical significance (RR 1.32; 95% CI 0.97–1.80).

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