Under normal circumstances after marriage without contraception within 6 months will be pregnant, but each person’s situation is different, the time of pregnancy is also different, as long as there is normal ovulation, the male sperm development is normal, in the female ovulation period coitus pregnancy chances are great. If you have been married for 1 year and have a normal sex life, and have not been pregnant without contraception, consider infertility, it is best to go to the hospital for examination. The causes of infertility include gynecological inflammation, endocrine abnormalities, tubal abnormalities, and disease effects, and male sperm development abnormalities can also affect pregnancy, it is best to go to the hospital at the same time to check, identify the causes of the adoption of appropriate treatment. Attention to relaxation during intercourse, do not be too nervous, will also affect the pregnancy, if there are chromosomal abnormalities will also affect fertility, it is best to do in vitro fertilization.