How to calculate the date of birth of a child?

However, as pregnancy develops, the list of issues of interest to the future mother is constantly changing. Everything about childbirth, baby's health and care for it is a vital topic for girls whose tummy is already big enough, and less time is left before the coveted meeting. When the toxicosis and malaise will end - the burning problem of women in the initial terms. But there are also issues that do not lose relevance throughout the nine months. In particular, how to calculate the date of birth of a child, is interested in absolutely all pregnant women. Even those moms, whose baby is about to be born, do not neglect any opportunity to calculate the exact date of such a long-awaited event.

Today we will tell you about possible methods how to correctly calculate the date of birth of a child, in order to satisfy the curiosity of all future mothers who are waiting for a miracle.

How to calculate the date of birth of the child on the day of conception?

Happy owners of the regular menstrual cycle, which lasts 28 days can be used at the same time in a simple and accurate way of calculation. If we take into account the fact that conception is possible within 24 hours after the release of the ovum, that is, approximately on the 14th day of the cycle, then 280 days should be added to the estimated date of conception (ovulation).

How to calculate the date of birth of a child according to the menstrual cycle?

This method, which is based on the formula of the German obstetrician Franz Karl Negele, has found wide application in gynecological practice. To use this method, you need to know the date of the last menstruation, from which you need to take 3 months, and then add 7 days.

How to calculate the duration of pregnancy and the date of birth of a child using ultrasound?

At least three times during the entire period of gestation, women make ultrasound. At first, this study allows you to know the exact length of pregnancy and in accordance with these data to calculate the child's birthday. In the second and third trimesters, ultrasound results will no longer be as informative in terms of calculating the exact date of delivery, as babies grow and develop in an individual rhythm. Therefore, the error of such calculations can be from several days to several weeks.

PDR as a result of the inspection

Experienced gynecologist without difficulty in the shape and size of the uterus will determine the duration of pregnancy and the estimated date of birth of the baby. But again this method is informative only up to 12 weeks.

How to calculate the date of birth according to the first movements?

According to this method, in order to determine the date of birth, it is necessary to add to the date of the first tangible stirring 20 and 22 weeks for primiparous and re-parenting women, respectively. Of course, the method is rather doubtful, but it also has the right to exist.