What does pregnancy need to change (sports article) II
Pregnancy is a good excuse. If you want to eat something and grab it, you have to be a few tens of kilograms anyway. Finally, you don’t have to exercise yourself to torture yourself. It’s important to keep your baby. Many mothers think so. In fact, in the scientific research community, this concept has long been criticized. First clear position, I am not supporting the example of losing weight during pregnancy. The weight gain during pregnancy is too small, and the mortality rate of newborns within one year even reaches 6 times the average mortality rate of newborns. However, according to statistics, at least 40% of pregnant women in the United States have exceeded their weight, so we will discuss this situation first.
Future fat babyWeekend maternity school, a few videos let the pregnant women in the room have a little nervous. Before the baby comes out of the birth canal, not only must I turn around a few beautiful heads and turn around, but the head will also hit a few hits on the birth canal in the direction of the mother's spine. If your baby is too big and can't drill, it will bring more pain to your mother and baby. When you grow up, you will become obese or suffer from diabetes. Therefore, nowadays, everyone basically does not want to have a huge child. The nine-jin old woman is already a legend.
It is easy to imagine that the giant child is mainly the result of the mother’s own efforts...
At the end of 2011, a Norwegian study collected information on nearly 60,000 women and their babies. They found that the pre-pregnancy BMI was 1 kg, the average baby gained 22.4 g, the weight during pregnancy increased by 10 kg, and the average baby weight was 224 g. It’s jin. And early pregnancy seems to be more important. In July 2013, a group of Canadian researchers recorded the weight gain of 172 expectant mothers. The mothers who were tested were strictly following the sports and nutrition programs of the researchers. After aerobic exercise and healthy eating, however, everyone's weight gain is still different. Among the mothers who have more weight gain in the first trimester, they are more likely to have a fat baby than those who have gained more weight in the third trimester.
How can we control the weight of pregnant women? Under the premise of not ignoring reasonable nutrition, exercise is still the last word. Previous studies have gathered more than 80 expectant mothers, some of whom started from 20 weeks of gestation, 5 times a week for 40 minutes of cycling aerobic exercise until 36 weeks of gestation, and the other part does not exercise, their baby is in weight and BMI There are significant differences.
Some expectant mothers have doubts: pregnant women will be somewhat insulin resistant. Insulin resistance is not good for adults in normal conditions, but it is different for pregnant women, because hormone changes during pregnancy inhibit insulin levels, blood sugar is Can be less strictly controlled by insulin, can be raised, to ensure adequate nutrition is provided to the fetus (in severe cases, it causes diabetes during pregnancy). But with more exercise, people are not prone to insulin resistance, so that the fetus is not "not enough"? Expectant mothers who ask such questions must be very concerned about their health and deserve to be greatly praised! Scientists also thought about this problem. They tested the insulin sensitivity of exercise mothers and found no difference between them and non-exercise mothers. Therefore, you can't help but sigh the powerful power of hormones, and you won't be corrected because you ran a few steps. So don't worry, mom runs, baby eats, both correct.
Future sports babyTwo days ago, the company colleagues looked at my still flat stomach and said that you love sports and your baby will exercise in the future. This is true, and it is not only the influence of living habits, but also on the "hardware".
Three years ago, a study by American scientists was widely reprinted on major scientific websites and sections. Scientists have found that mothers who exercise at least three times a week are not only thinner after birth, but also show better heart function before birth. This advantage is not significant at 28 weeks and 32 weeks, but it cannot be ignored by 36 weeks.
The first performance is in the heartbeat. We all know that people who love sports have a slower heartbeat (I am resting on a heartbeat of 60). At 36 weeks, the heartbeat of a sports mother’s baby is significantly slower than that of a non-exercise mother’s baby. Under 136, the heartbeat of a baby who does not exercise is 148 beats per minute.
Another measure is heart rate variability (HRV), which is newer than heart rate (some mobile apps are currently used to measure this indicator), in short, measuring the time interval between each heartbeat, recording This number varies with inhalation and exhalation. The large HRV indicates that the heart works more efficiently. On the contrary, the small HRV is often the non-sporting couch potatoes. The results of the study showed that the HRV of the sports mother's fetus was significantly higher than that of the non-exercise mother at 36 weeks.
Many mothers still come back to do a return visit after the baby's full moon, at least until this time, the heart of the sports mother's baby is still very good!
Interestingly, there are more than a few scientists who are obsessed with the role of exercise. This year, a research team found many 6-month-old sexually mature sows who were forced to run on a treadmill for 40 minutes every day after pregnancy. 5 times (the estimated two breaks are the weekend of the institute), and it is a week before the birth. In the morning, I was still too sleepy and couldn't open my eyes. I saw the spirit of this research. With Gu Rongrong, Imagine that the Institute must have found a large number of undergraduate technicians and came to the laboratory with coffee in the morning. Not angry, pig, go up and run.
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