Generally how long to prepare for pregnancy before conceiving a baby needs to be judged according to the individual’s physical fitness, nutritional status and other aspects of the situation. If the body is normal and does not appear disease, general preparation for about 1 to 3 months can be pregnant, but each person’s physical condition is different, so the pregnancy is not the same, if excessive attention, mental stress, may lead to hormone secretion disorders in the body, affecting the pregnancy. If the body has diseases, such as abnormal ovarian function, blocked fallopian tubes or other diseases may affect pregnancy and lead to prolonged preparation time. If you have been preparing for pregnancy for more than one year and still can not get pregnant normally, it is recommended to actively seek medical examination to understand the body’s condition and then treat the symptoms.