Failure to conceive after one year of regular sexual intercourse without the use of any contraception by a couple of childbearing age is called infertility. Those who are able to conceive but do not have a viable baby due to miscarriage or stillbirth for various reasons are called infertile. If you are ≥35 years of age and have not conceived after 6 months of uncontraceptive sex, you should seek prompt medical attention to avoid delay in treatment. What are the factors affecting fertility? Female factors: ovulation disorders, tubal factors, uterine factors, cervical factors, and other factors; 2. Male factors: semen abnormalities, sexual function abnormalities, prostate infections, etc.; 3. Both male and female factors: inability to have normal sex, immune factors, psychological factors, and unknown causes. Do you have the following bad lifestyle? Smoking, alcohol abuse, prolonged exposure to high temperature environment (such as hot bath and steam room), vaginal lubricants, high dose of caffeine, exposure to toxic substances, stress and anxiety. What related examinations should you do? 1.Female checkup items: vaginal secretion examination, sex hormone level, endometrial biopsy, follicle monitoring, uterine tube fluids or imaging, hysteroscopy, chromosomes, etc.; 2.Male checkup items: routine semen analysis, testicular, penile, and scrotum examination, chromosomes, sex hormone level, etc. What are the treatments for infertility? Ovulation induction and super ovulation treatment, immunotherapy, tubal reversal treatment, hysteroscopy/laparoscopy, artificial insemination, in vitro fertilization-embryo transfer technique, monosperm intracytoplasmic oocyte injection and so on.