Initial serum HCG levels are higher in pregnant women with a male fetus after fresh or frozen single blastocyst transfer: A retrospective cohort study

• Main Authors: Feng Xiong (Author), Qing Sun (Author), Guan-Gui Li (Author), Pei-Lin Chen (Author), Zhi-Hong Yao (Author), Cai-Yun Wan (Author), Hui-Xian Zhong (Author), Yong Zeng (Author)
• Format: Book
• Published: Elsevier, 2019-11-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

Objective: Substantial previous studies have almost reached an agreement on the gender effect on maternal serum human chorionic gonadotropin (MsHCG) in and after the late first trimester of pregnancy. However, there is little knowledge of the sex-related difference in MsHCG level at the preliminary...