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Diethylstilbestrol (DES) is a synthetic non-steroidal estrogen, which was widely used to prevent preterm birth and abortion from the 1940s to the 1970s. DES can increase the incidence of infertility, the abnormal reproductive tract, and aut…

Maternal age is one of the most important factors affecting the success of maternal pregnancy. Uterine aging is the leading cause of pregnancy failure in older women. However, how uterine aging affects uterine receptivity and decidualizatio…

IntroductionNutritional deficiency occurs frequently during pregnancy and breastfeeding. Tryptophan (Trp), an essential amino acid which is critical for protein synthesis, serves as the precursor for serotonin, melatonin, and kynurenine (Ky…