Secondary infertility: Why it happens to couples who have already had successful pregnancies
https://healthell.blogspot.com/2019/10/secondary-infertility-why-it-happens-to.html
Secondary infertility: Why it happens to couples who have already had successful pregnancies

Most parents may assume that it'll be easy to get pregnant again after having their first child but that may not always be true. Reports estimate that over 3 million couples in the United States face secondary infertility. Fox News’ Dr. Manny Alvarez sits down with a renowned fertility doctor to discuss the heartbreaking condition.