How much is the probability of three pregnancies in the same room during ovulation

If frequent cohabitation occurs during ovulation, the chances of pregnancy will indeed be higher. But to know that pregnancy is not only normal ovulation is pregnant, but also according to other factors to determine how much chance of pregnancy in the end: 1, the man's semen, the man's semen routine examination can judge whether the man has oligospermia and azoospermia, if the semen is normal, the chances of pregnancy will be significantly increased. 2, in addition to ovulation, women affect pregnancy factors, as well as fallopian tube factors. If there are previous chronic pelvic inflammatory disease, pelvic endometriosis and other reasons, leading to fallopian tube adhesion, obstruction, will lead to fallopian tube patency, so it will also affect pregnancy. Even if there is ovulation at this time, and frequent cohabitation during ovulation, it may still lead to infertility. 3, although the calculation of ovulation period, but there is no real ovulation, especially some women menstruation is not accurate, the calculation of ovulation period is not too accurate, in this case may also lead to pregnancy failure. Therefore, according to the comprehensive reasons for all aspects to judge the probability of pregnancy.