If you want to get pregnant quickly, the choice of sexual position is also very important, it is recommended to take the female lower position, the woman can put a pillow under the buttocks, do not get up immediately after sex, it is recommended to continue to lie in bed for more than 30 minutes, so that the semen in the vagina to fully enter the uterus, which will help to increase the chances of conception. The choice of time for sex is also very important, if you usually have regular menstrual periods, first of all, you can expect the time of the next menstrual period, and then subtract 14 days from this time is the ovulation period, two days before and after the ovulation period of a total of five days of time, when sex is easy to get pregnant. In order to more accurately find the ovulation period, you can also combine the use of ovulation test paper and vaginal ultrasound, if the size of the follicle reaches about two centimeters, ovulation will occur in a short period of time, this time to choose the right time to arrange for sex, to help increase the chances of conception.