Why are 13 men in charge of healthcare for all American women?

https://www.theguardian.com/us-news/2017/jun/28/womens-healthcare-republican-senate-bill"The Senate healthcare bill would increase the number of uninsured people in the US by 22 million, according to the non-partisan Congressional Budget Office, and is opposed by the American Medical Association on the grounds that it violates the Hippocratic oath. It would also be particularly devastating to women’s health, in a number of ways."