Couples who have the ability to procreate and choose to have sex when they are ovulating generally have a better chance of getting pregnant. Couples who are both fertile can use ovulation tests and ultrasound to find out when the ovaries are ready to discharge mature follicles, and then arrange for sex when ovulation occurs. There is no need to use contraception during sex, and pregnancy is possible when the man ejaculates semen into the woman. Conception is a more complicated process, and it is not the case that having sex can make a woman pregnant. Couples who want to have children can first go to the hospital to check the physical condition of both parties, there is no problem in all aspects before considering preparation. If you have been preparing for pregnancy for more than a year and have not gotten pregnant, you need to go to a regular hospital at the same time for a checkup. Diagnose which part of the problem, under the guidance of the doctor to take appropriate treatment measures.