Calculating weeks during pregnancy sometimes confuses my patients. Also, pregnancy begins on the first day of the last menstrual period... This confusion of concepts can lead to disagreements regarding gestational week calculation. Yes, of course pregnancy does not start on the first day of the last menstrual period. In fact, although it varies from person to person, it generally starts 15 days after the fertilization of the egg. However, all gestational week calculation tables and all ultrasound devices start pregnancy from the first day of the last menstrual period. The reason for this is that pregnancy is considered to be 40 weeks or 280 days. Thus, standardization is made to the duration of pregnancy and the week of pregnancy. So, whatever your calculated pregnancy week is, you are that many weeks pregnant no matter where you go in the world.
Wasn't the pregnancy period 9 months and 10 days?
Yes. 40 weeks equals 280 days. This is 9 months and 10 days.
1. MONTH= 1-5 weeks
MONTH 2= 5-9 weeks
MONTH 3= 9-13 weeks
4. MONTH= 13-17 weeks
5.MONTH= 17-21 weeks
6. MONTH = 21-25 weeks
7. MONTH = 25-29 weeks
8. MONTH = 25-33 weeks
9. MONTH = 33-37 weeks
When 40 weeks are completed = 280 days = 9 months and 10 days.
How many months pregnant am I?
Another problem arises in this question. It usually comes out. Mixes or mixes. Even though it is customary to calculate pregnancy in weeks, the pregnant woman can be asked how many months pregnant are you? or he may wonder; How many months pregnant am I? How many months have passed? How many months have I entered? Which month is it over? Or on which day of the month does my pregnancy end? The table above more or less explains the month and week description in pregnancy. If I were to explain it again;
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4-5 weeks pregnant, 1 month old
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8-9 weeks pregnant, 2 months old
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12-13 weeks pregnancy, 3 months
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17-18 weeks pregnancy, 4 months
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21-22 weeks pregnancy, 5 months
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25-26 weeks pregnancy, 6 months
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28-30 weeks pregnancy, 7 months
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34-35 weeks pregnancy, 8 months
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38-39 weeks pregnancy, 9 months
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40 weeks of pregnancy, 9 months and 10 days of pregnancy have expired. Birth is now expected.
How many weeks pregnant am I? It is relatively easy to calculate si. Let's say the first day of the last menstrual period falls on a Sunday; On the following Sunday, 7 days, that is, a week, will have passed and the gestational age will have increased by another week. Let's assume that the first day of your last menstrual period falls on a Sunday, and the next Sunday is eight weeks later, and you are 8 weeks pregnant. On Wednesday of the following week, three days have passed and voila!! You are 8 weeks and three days pregnant.
Thankfully, there are gestational week calculation tables and there is no need to worry too much about this issue.
When is the estimated date of birth?
You can find out your baby's estimated birth date by using our estimated birth date calculation table. The date you find using this table may still not be an exact date. Some babies may decide to come 2-3 weeks before or 10-15 days after this date. To generalize, birth usually occurs between the 38th and 42nd weeks. This situation usually does not cause a problem in a closely monitored pregnancy.
What if the last menstrual date is unknown?
I do not know the last menstrual date. The number of pregnant women who say they do not remember their last menstrual period is significant. In such cases, ultrasound comes to our rescue. Measurements made during ultrasound examinations performed in the first three months of pregnancy are quite reliable. Provided that the measurement(s) are made in accordance with the rules and correctly, approximately three or five weeks of pregnancy can be calculated correctly, with a margin of error of +/- 3 days, in colloquial terms. With an average calculation, taking into account repeated ultrasound examinations, both the gestational age and the expected date of birth are calculated with little or no error. The margin of error increases significantly in ultrasound examinations performed in later weeks of pregnancy, that is, after the first trimester. Measurements made in these weeks are less reliable.
For this reason, I always say it and I will say it again; If you are considering pregnancy, determine the doctor you plan to follow up your pregnancy with before getting pregnant. You should visit your chosen doctor at least 3 months before stopping contraception so that the necessary precautions for a healthy pregnancy can be taken in advance. If you choose a physician who provides reliable consultancy services with up-to-date information on pregnancy preparation and pregnancy follow-up, All you have to do is leave the matter to the specialist, sit back and enjoy your pregnancy. Do research on the issues to consider when choosing a doctor and make sure what your priorities are when choosing a doctor. Your last minute choices may cause you to change doctors frequently, which may prevent your pregnancy from being followed in a healthy way. Consult your designated gynecologist as soon as you find out that you are pregnant. Because even if you are sure of your last menstrual period, the gestational age according to the last menstrual date may not be the same as the gestational age after ultrasound examination. You ask why? Because during that period, menstrual irregularities may have developed or ovulation may have occurred late. You may also have confused implantation bleeding, also known as vision, with menstruation, which is not uncommon.
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