For patients who are severely overweight, pregnancy can be affected. The woman’s severe overweight can lead to endocrine abnormalities, which can affect the regularity of menstruation. If the woman is severely overweight, the metabolic disorder will affect the normal development of the eggs, which will reduce the quality of the eggs and, of course, affect conception. Severe obesity in women can lead to difficulties in ovulation, so from the above aspects, overweight women can affect the process of pregnancy. In terms of the male partner, if he is seriously overweight, it will also affect fertility: first, due to the large accumulation of body fat, resulting in the testes, epididymis and the surrounding environment temperature increase, thus reducing the function of the testes, the quality of sperm decreased, it is difficult to make the female partner conceive. Second, in the case of serious obesity, a large accumulation of body fat will affect the function of the penile blood vessels, thus affecting sexual function. So for men who are seriously overweight, sexual function and testicular function will be affected, thus affecting the normal conception.