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Post-conception heat exposure increases clinically unobserved pregnancy losses

Hajdu, Tamás and Hajdu, Gábor (2021) Post-conception heat exposure increases clinically unobserved pregnancy losses. SCIENTIFIC REPORTS, 11 (1). No. 1987. ISSN 2045-2322

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Abstract

Evidence of the relationship between temperature during pregnancy and human embryo mortality is limited. Most importantly, the literature lacks causal estimations and studies on early pregnancy losses. Here, we estimate the impact of early pregnancy temperature exposure on the clinically unobserved pregnancy loss rate. We use administrative data of clinically observed pregnancies from more than three decades for Hungary. We apply an empirical approach that allows us to infer the impact of temperature on the clinically unobserved pregnancy loss rate from the estimated efects on the clinically observed conception rate. The results show that exposure to hot temperatures during the frst few weeks after the conception week increases the clinically unobserved pregnancy loss rate, whereas exposure to colder temperatures seems to decrease it. Importantly, the temperature-induced changes represent changes in the total number of pregnancy losses rather than a compositional change between clinically observed and clinically unobserved pregnancy losses.

Item Type: Article
Subjects: H Social Sciences / társadalomtudományok > HM Sociology / társadalomkutatás
R Medicine / orvostudomány > RZ Other systems of medicine / orvostudomány egyéb területei
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 12 Sep 2021 06:07
Last Modified: 12 Sep 2021 06:07
URI: http://real.mtak.hu/id/eprint/129216

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