If you have not conceived after 1 year of marriage, but have a normal couple life and do not use contraception, you can consider infertility. There are many causes of infertility, which may be related to both spouses, so you should go to the hospital for a detailed examination and determine the treatment plan according to the examination results. Common causes 1. Female factors: ovarian function (endocrine disorders, ovarian insufficiency, luteal insufficiency, polycystic ovary syndrome, premature ovarian failure and other ovarian diseases in female); various factors leading to blockage, adhesion and narrowing of the fallopian tubes, resulting in the egg and sperm not combining normally or the fertilized egg not entering the uterus smoothly, will easily cause infertility; genital malformation or genital disorders; 2. Male factors 2. Male partner factors: the male partner has congenital testicular dysplasia, orchitis, cryptorchidism or varicocele, resulting in sperm abnormalities; or epididymis, vas deferens, ejaculatory duct and urethra lesions, resulting in semen delivery disorders, leading to infertility; 3. Male and female factors: if both spouses are long time apart, have low frequency of sexual life, or hardly have sex during ovulation and the time period before and after, sperm and egg cannot meet smoothly, and cannot The sperm and egg cannot meet smoothly and get pregnant. Examination methods 1. Ultrasound monitoring of ovulation: if the female partner has a regular menstrual cycle, she should start ultrasound monitoring of ovulation on the 12th day after menstruation to understand the thickness of the endometrium and follicle development in order to rule out ovulation disorders leading to infertility; 2. Tubal imaging: a tubal imaging should be done within 2-7 days after menstruation to rule out tubal obstruction leading to infertility; 3. Blood test: on the 3rd day of menstruation, the female partner can have blood test AMH, sex hormone six and thyroid function to understand the function of ovarian secretion and exclude abnormal thyroid function or immune infertility; 4. Sperm test: the male partner can do sperm test 2-8 days after sex is prohibited to observe the number and activity of sperm to exclude infertility caused by poor sperm quality.