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The pathophysiological role of estrogens in the initial stages of pregnancy: molecular mechanisms and clinical implications for pregnancy outcome from the periconceptional period to end of the first trimester.

Francesca ParisiClaudio FeniziaAndrea IntroiniA ZavattaC ScaccabarozziMara BiasinValeria Maria Savasi
Published in: Human reproduction update (2023)
Most current evidence available endorses a relation between periconceptional and first trimester estrogen levels and pregnancy outcomes, further depicting an optimal concentration range to optimize pregnancy success. However, how estrogens co-operate with other factors in order to maintain a fine balance between local tolerance towards the developing fetus and immune responses to pathogens remains elusive. Further studies are highly warranted, also aiming to identify the determinants of estrogen response and biomarkers for personalized estrogen administration regimens in ART.
Keyphrases
  • pregnancy outcomes
  • pregnant women
  • estrogen receptor
  • immune response
  • preterm birth
  • air pollution
  • antimicrobial resistance
  • toll like receptor