The feeling of the stomach after successful fertilization varies from person to person, generally there is not much feeling, due to the fertilization of the egg after implantation, there will be a certain stimulation of the uterine lining, so some sensitive women may feel the abdominal soreness and discomfort, or like a hidden pain before menstruation, the degree of light there is no big change. Soon after fertilization, that is, 10 days after intercourse, go to the hospital to take blood tests, can be detected in the blood of the hCG level increases, about 35 days after menopause, if the ultrasound can be seen in the uterine cavity of the round or oval gestational sac, diagnosed with intrauterine pregnancy, pregnancy should be supplemented with folic acid in time, to prevent the development of fetal neural tube deformities, pay attention to rest, a reasonable diet, eat protein-rich foods, as well as fresh vegetables and vegetables, and the development of the fetal nerve tube. You should pay attention to rest, have a reasonable diet, eat protein-rich food, and fresh vegetables and fruits, take regular exercise, and have regular prenatal checkups.