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Title (Primary) Early-pregnancy dydrogesterone supplementation mimicking luteal-phase support in ART patients did not provoke major reproductive disorders in pregnant mice and their progeny
Author Jeschke, L.; Santamaria, C.G.; Meyer, N.; Zenclussen, A.C.; Bartley, J.; Schumacher, A.;
Journal International Journal of Molecular Sciences
Year 2021
Department IMMU;
Volume 22
Issue 10
Language englisch;
Supplements https://www.mdpi.com/1422-0067/22/10/5403/s1
Keywords dydrogesterone; early pregnancy; artificial reproductive techniques; luteal-phase support; safety; tolerability; progeny; reproductive disorders
Abstract

Progestogens are frequently administered during early pregnancy to patients undergoing assisted reproductive techniques (ART) to overcome progesterone deficits following ART procedures. Orally administered dydrogesterone (DG) shows equal efficacy to other progestogens with a higher level of patient compliance. However, potential harmful effects of DG on critical pregnancy processes and on the health of the progeny are not yet completely ruled out. We treated pregnant mice with DG in the mode, duration, and doses comparable to ART patients. Subsequently, we studied DG effects on embryo implantation, placental and fetal growth, fetal-maternal circulation, fetal survival, and the uterine immune status. After birth of in utero DG-exposed progeny, we assessed their sex ratios, weight gain, and reproductive performance. Early-pregnancy DG administration did not interfere with placental and fetal development, fetal-maternal circulation, or fetal survival, and provoked only minor changes in the uterine immune compartment. DG-exposed offspring grew normally, were fertile, and showed no reproductive abnormalities with the exception of an altered spermiogram in male progeny. Notably, DG shifted the sex ratio in favor of female progeny. Even though our data may be reassuring for the use of DG in ART patients, the detrimental effects on spermatogenesis in mice warrants further investigations and may be a reason for caution for routine DG supplementation in early pregnancy.

ID 24660
Persistent UFZ Identifier https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=24660
Jeschke, L., Santamaria, C.G., Meyer, N., Zenclussen, A.C., Bartley, J., Schumacher, A. (2021):
Early-pregnancy dydrogesterone supplementation mimicking luteal-phase support in ART patients did not provoke major reproductive disorders in pregnant mice and their progeny
Int. J. Mol. Sci. 22 (10), art. 5403