As your pregnancy is the result of assisted reproduction treatment, you can calculate the weeks of gestation by adding 15 days to the date of fertilization of the embryos. To give an example, a fetus from day 5 to May 4 will have been fertilized 5 days before, that is, on April 29 approximately. If you add 15 much more days to this date, it is estimated that your FUR should have been around April 15. It is true that there are many pregnant women who take into account the phases of the moon when calculating the due date. In fact, there are theories that previously the menstrual periods of women of childbearing age coincided exactly with the lunar period. In this way, ovulation took place on a full moon while menstruation occurred on a new moon.
Each pregnancy and woman are not the same, but several of the symptoms appear in certain weeks of gestation. Nagele’s rule is an easy formula that will let us know the possible date of delivery. It consists in subtracting three months from the first day of the last rule, and then adding seven days.
Pregnancy By Weeks, Much More Precise Calculation
However, this date is much more difficult to remember than that of the last rule. A menstrual delay will be the main indication that it has been conceived. So, from there, if you want to know how many weeks you are pregnant, you will have to look at the calendar and count the number of weeks from the last period until today. It is this accuracy that makes it preferable to use weeks as a time reference when monitoring the evolution of the fetus in the mother’s womb. On many occasions, a discrepancy between the time of gestation and the development of the fetus can warn of anomalies in the pregnancy.
In the vast majority of pregnancies, it is practically impossible to understand when the baby was conceived, except in cases of in vitro fertilization. Hence, it is more viable to be guided by the date of the last rule before the delay. “The gestograma or pregnancy calculator is a gestation calendar.
Thus, it is possible to check that the development of the fetus is accurate at weeks of pregnancy. If you have found out that you are pregnant and want to understand when your baby will be born, you can use tools like the pregnancy calculator. You will be able to find an estimated date knowing your real data of your menstruation. However, the most reliable way to know with some precision how many weeks you are and when it is estimated that you will have your baby with you, is through medical calculations. So you shouldn’t take long to attend your first appointment and start tracking your pregnancy. For this reason, the weeks of gestation do not usually coincide with those of the pregnancy, and there is usually a lag of a couple of weeks, or what is exactly the same, to a pregnancy of eight weeks, for example, it It usually corresponds to a 6-week embryo.
How Much Pregnant Am I? The Methods To Find Out!
This discrepancy is due to the fact that, although fertilization in humans usually occurs around day 14 of the menstrual period -that is, 14 days after FUR- this is not the case in all cases. On several occasions, ovulation is advanced or delayed and fertilization is also altered. Calculate your weeks of pregnancy here and read all the information about your gestational stage. Throughout pregnancy, a series of vital events occur for the training of your baby.
The first ultrasound will be done during the week of gestation, and is known as the first three-month period ultrasound. In this first ultrasound, a measurement of the fetus will be made, with the goal of understanding the actual weeks of pregnancy. The data obtained from the ultrasound at the time the fetus is measured is the exact one, and the one that must be taken into consideration to understand the weeks of pregnancy, although in most cases the two data coincide . In an IVF process, the day of fertilization is considered the 14th day of the period.
The Pregnancy Calendar According To The Weeks Of Pregnancy
You will receive the magazine «My baby and I» and the newsletters of your pregnancy and development of your baby totally free. The change of dates is quite disturbing for the mother and creates many doubts. Sometimes, certain moms resist changing that date, since they are clear when their last menstruation arrived.
What Does the Pregnancy Calculator Tell Me?
In a pregnancy that has taken place by in vitro fertilization, the day of the ovarian puncture is taken as a reference and 2 weeks are added. In addition, it must be taken into account if the transferred embryos are from day 3 or day 5. In the case of IVF treatments with egg donation, it will be the same as in an IVF treatment, that is, the moment is taken as a reference. of the donor’s ovarian puncture as day 0 and the FUR is established 14 days before. As a general rule, it is logical that the woman became pregnant during her last ovulation.
Each one of them corresponds to a specific follow-up that will allow greater control of the pregnancy. When the first week of pregnancy is established, which would be the one corresponding to the date of the last rule, 40 weeks must be calculated. We must bear in mind that a normal pregnancy lasts approximately 280 days. However, it is true that it will depend on each particular case whether these weeks are less or much more. The frequent thing is that the cycles are shorter or much longer depending on the month, something that happens, as the MSD Manual teaches, «at least 20% of women have irregular cycles.» Therefore, it is not appropriate to seek to know when was the moment in which a woman could begin to ovulate and, hence, the weeks of pregnancy are counted.
In addition to this, it is important to understand that more than half of twins are born prematurely. However, if the exact date of conception is known, 266 days are added to it, the precise 38 weeks that gestation lasts. Those a couple of weeks apart correspond to the period from the date of the period until the day of ovulation, which is usually celebrated days after the period, taking into account a regular menstrual cycle of 28 days. To find out how many weeks you are pregnant, you can use as a reference the date of your last period (the first of the days of your last period), the moment of ovulation or the ultrasound that is carried out at 12 weeks of gestation. How to calculate your ideal weight in your pregnancy Through this calculator of the ideal weight in pregnancy it is possible to monitor the weight gain in each week of gestation and compare it with the weight range considered healthy for that time interval.
The gynecologist tells me that the sac is there, it looks good, I just wanted to know how the delivery date is calculated because it was with donated eggs. Likewise, if freezing is done on day 5 of development, the day of the transfer would be day 19 of the cycle (14+5), setting the date of the last period 19 days before the transfer. The time of pregnancy, also popular as gestational age, is a concept that is expressed in weeks knowing the first of the days of the last menstrual period of the woman to the current date. Therefore, the gestational age of a normal pregnancy can range from 38 to 42 weeks. If a pregnant woman could understand the date of her last ovulation, the duration of the pregnancy would be 266 days, that is, nine months or 38 weeks.