My name is Nga, I am 45 years old, 1.54m tall, and weigh 47kg. I just got married and really want to have children. My period is regular every month, nothing unusual. My husband is also 45 years old, doesn't smoke or drink alcohol. Neither of us have any diseases. My husband and I have sex regularly twice a week.

Infertility is classified into primary infertility and secondary infertility. So what is secondary infertility, how is secondary infertility different from primary infertility, the following article will help you understand this issue better.

Infertility is a major problem in modern society. Solving infertility is not easy, especially difficult cases such as unexplained infertility. So what is unexplained infertility, why is it not easy to solve unexplained infertility? Let's find out through the article below.