The stronger the uterine contraction, the faster the birth process will be. The strength of contraction is restricted by the age of the expectant mother, muscle tone and elasticity, fetal weight and many other conditions.
Pelvic size According to our usual concepts, the larger the pelvis, the greater the chance of a vaginal delivery. Medical theory also believes that expectant mothers with a pelvic diameter of more than 9.8 centimeters will have no problem giving birth, while expectant mothers with a pelvic diameter of less than 9.2 centimeters have a higher chance of giving birth naturally. Relatively small, the diameter of the midpelvis can be determined by taking X-rays. But in real life, the size of the pelvis is not a decisive factor. Sometimes the pelvis is large enough to cause difficulty in delivery, and sometimes the delivery goes smoothly because the fetus\’ small pelvis is not very large.
Fetal weight The average weight of a newborn is 2.8 kg to 3.5 kg. Delivery within this range will shorten the labor process and facilitate smooth delivery. If the newborn weighs more than 3.5 kilograms and the mother\’s pelvis is not large enough, dystocia may occur.
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1. Why does this happen when you are between 24 and 28 years old?
The body tissues of expectant mothers younger than this age are not mature enough, especially the pelvis has not been completely fixed and formed, which is not good enough for the mother and fetus; older mothers have difficulty in expansion due to sclerosis of the pelvic joints, and poor uterine contraction and vaginal tension. , leading to prolonged labor and prone to dystocia, which is why many older women choose cesarean section
2. Reasonable nutrition and weight control during pregnancy. Why does this happen? During pregnancy, expectant mothers pay great attention to diet and nutrition. If you do not pay attention to weight control, excessive nutritional supplements and excessive fat intake will cause the fetus to grow too large in the abdomen and be unable to pass through the birth canal smoothly during delivery. They can only rely on surgery.