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When, without waiting for it, they tell you that two babies are coming instead of one, many things go through your head: twice the joy, sleepless nights will multiply by two, just like the clothes you have to buy ... You start to inform you about how to educate twin children, what multiple pregnancies are like, etc. And suddenly you get to a study linking the future success of girls with having a twin brother. Surprising! How can this be?
There is a lot of research carried out on how the fact of sharing a belly affects children. And, along the same lines, a recent study published in the journal Proceedings of the National Academy of Sciences of the United States of America has analyzed the effect that having a twin brother has on girls.
What has been my surprise when reading the conclusions contributed by this study. According to research, these girls are less likely to graduate in secondary education and completing higher education, which makes it more difficult for them to achieve job success. The conclusions of the research team go further by ensuring that the chances of marriage are also reduced, even, they have the lowest fertility.
But why? The key would be in prenatal testosterone to which girls with male twin brothers would be exposed During pregnancy. And this exposure seems to have an effect on the future of girls. Very surprising! The hypotheses were reaffirmed when these data were compared with those of girls whose twin brothers died at birth. The fact of sharing a uterus is what makes the little ones suffer. To arrive at these results, the researchers have done a statistical work that has taken into account the births of twins that took place in Norway between 1967 and 1978.
This is not the first study to conclude that the girl of a twin couple faces different effects from having a brother. A previous project carried out at the University of Sheffield (UK) showed that girls with a twin brother have 25% less chance of having children. This brings back the fact that prenatal testosterone affects fertility in women.
It is common to know if you are pregnant in ultrasounds that take place between weeks 8 and 14 of gestation. A multiple pregnancy requires special care, because there is a greater risk. Here are some tips that the British Health Service (NHS, National Health System) offers for women who are having twins or twins.
You may need to do check-ups more often than other expectant mothers, although it all depends on how you and your little one are doing. In multiple pregnancies, there is an increased risk of complications such as anemia, pre-eclampsia or gestational diabetes. Follow the recommendations of the specialists who are handling your case.
2. Eat well
Eating a healthy diet is very important in all types of pregnancy, but when we talk about a multiple pregnancy, the reasons for choosing the right diet multiply. If you are going to have twins or twins, you do not need to eat for three, as they say, although it is true that during this type of pregnancies it is common to gain more weight.
Keep in mind that in case of multiple pregnancy, it is more common to have heartburn or indigestion, due to the position of the babies. Hence, a good diet is so important.
3. Get moderate exercise
Staying active during pregnancy is very important. However, on some occasions, doctors may recommend rest or avoid certain exercises. In that case, it is best to follow the guidelines of the specialists.
4. Get the relevant vaccinations
As in single-baby pregnancies, you should get the vaccines recommended by your doctors. These are important for your health, but also for that of the little ones that grow inside you. Some of the most recommended are tdap (Tetanus, Diphtheria and Pertussis), against influenza, hepatitis B, etc.
Are you going to have twins or twins? Let us know in the comments!
You can read more articles similar to Girls with a twin brother are less successful: surprising study, in the category of multiple pregnancies on site.