The number of twin pregnancies has recently increased significantly: The number of twins has increased by more than 75% in the past 30 years. A recent study found an increase in rate from 9.5 twins per 1,000 cases in 1975 to 16.9 pairs per 1,000 cases in 2011.
What is behind this "boom"? Here are 7 factors that promote the ability of twins , help answer questions related to the ability of the two of you two.
Genetic factors double the likelihood of conceiving twins. You will be more likely to have twins if you have twins. However, this only happens on the mother's side of the family. Even if the husband's family has many twins, it does not increase the rate of the wife's pregnancy.
If you have had twins before then this time, you are more likely to have twins again. Many studies show that, for women who have had twins, the rate of having twins in the next times will be much higher than other pregnant women.
As you age, your chances of conceiving twins increase. Researchers have found that women over 35 produce more follicle-stimulating hormone (FSH) than younger women, which in turn can cause more ovulation, increasing their chances of becoming pregnant. twins.
The more children you have, the more you are pregnant, the more likely you will be pregnant with twins in the following times. Each time you have a baby, your odds of bringing up twins increases a little. This is most likely because your age is a bit older.
If you are undergoing (or have undergone) infertility treatment , your pregnancy rate will sometimes be very high. When a woman undergoes any kind of fertility support (especially ovulation stimulation) increases the likelihood of multiple pregnancy. About 20-25% of women who take ovarian stimulants or undergo in vitro fertilization (IVF) will have twins or more.
The mother's condition has a significant effect on the twin pregnancy. Women with a pre-pregnancy BMI higher than 30 were more likely to conceive of non-identical twins than women with a lower BMI.
You are quite tall, your chances of having twins will not be low. Twins are more common in tall women than in young women (in one study, twins were 2.54cm tall on average).
The factors given above refer mainly to the possibility of carrying non-identical twins (note that identical twins are very rare and happen randomly).
You can see more:
Twins: secrets have not been "revealed"
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