A new study has identified markers of maternal stress — both physical and psychological — that may influence a baby’s sex and the likelihood of preterm birth.
From https://jamesjohnson10.blogspot.com/2019/10/stress-during-pregnancy-may-affect.html
from
https://jamesjohnson10.wordpress.com/2019/10/16/stress-during-pregnancy-may-affect-babys-sex-risk-of-preterm-birth/
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