How likely you are to get pregnant at one time depends on when you have intercourse, and you are more likely to get pregnant if you have intercourse during ovulation. Ovulation occurs 14 days before your next period, about a week before and after. If you have intercourse during and around the time of ovulation, you have a higher chance of getting pregnant. The probability of getting pregnant at one time is also related to age. Usually, there is a possibility of conception when 20-30 years old have regular intercourse for 3 consecutive months, while 30-35 years old have a possibility of conception when they have scientific and regular intercourse for 6 consecutive months, and 35-40 years old often need more than 1 year of consecutive and regular intercourse in order to have a possibility of conception. In order to increase the probability of conception, it is recommended that both men and women do a good job of physical adjustment, with the help of the use of ovulation test paper to monitor ovulation and other measures.