Had one child for 2 years without pregnancy, how to get pregnant for the second child

Patient's question:

No

Doctor's answer:

Hello, you have a history of childbirth and have not used contraception for two and a half years without pregnancy. This can be diagnosed as secondary infertility. It is recommended to go to the hospital for related immune infertility antibody and reproductive tract pathogenic bacteria tests. If necessary, fallopian tube can be performed to understand whether the fallopian tubes are unobstructed.