Not getting pregnant after one year of marriage is considered infertility. Causes of infertility include blocked fallopian tubes, abnormal ovulation, follicular dysplasia, endometriosis, damaged endometrium, as well as gynecological inflammation, chromosomal abnormalities, anti-sperm antibodies, poor ovarian function, and uterine dysplasia. Poor sperm development in men, if men have prostatitis, seminal vesiculitis, oligospermia, azoospermia, and dead sperm can affect pregnancy. In case of infertility, both partners need to be examined at the same time. Women can have blood tests for sex hormone six, tubal imaging, routine white belt examination, blood tests for chromosomes, etc., and ultrasound to check the ovaries, endometrium and the development of the uterus. Men need to undergo routine semen examination, etc. After identifying the cause, they should take reasonable medication under the guidance of the doctor and wait for their bodies to fully recover before they can get pregnant.