Department of Reproductive Genetics, Tangshan Maternal and Child Health Hospital in Hebei Province, Tangshan City, Hebei Province, 063000;
Department of Reproductive Genetics, Tangshan Maternal and Child Health Hospital in Hebei Province, Tangshan City, Hebei Province, 063000;
Department of Reproductive Genetics, Tangshan Maternal and Child Health Hospital in Hebei Province, Tangshan City, Hebei Province, 063000;
Department of Reproductive Genetics, Tangshan Maternal and Child Health Hospital in Hebei Province, Tangshan City, Hebei Province, 063000;
Department of Obstetrics and Gynecology, Tangshan Maternal and Child Health Hospital in Hebei Province, Tangshan City, Hebei Province, 063000;
Department of Reproductive Genetics, Tangshan Maternal and Child Health Hospital in Hebei Province, Tangshan City, Hebei Province, 063000;