For citations:
Malgina G.B., Tretyakova T.B., Matuzkova I.V. Features of the fetal sex ratio in progressive and non-viable pregnancies resulting from assisted reproductive technologies. Bulletin of maternal and child care. 2025;2(5):48-60. (In Russ.) https://doi.org/10.69964/BMCC-2025-2-5-48-60
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