The new study tied the same genetic polymorphism to lower leels of an androgen known as DHEA-S, and to lower progesterone leels.

• 新的研究约束相同的遗传多态现象来降低雄激素的水平（已知的硫酸脱氢表雄酮（DHEA-S））和降低孕酮的水平。