Midwives urge health authorities to determine the weight that a woman can take while she is pregnant without posing a risk to her health.
In the United Kingdom, one in five women is overweight in early pregnancy, and unfortunately there is no official study to determine normal weight during pregnancy.
Regular weight control lost its popularity in the 1990s as a source of concern for women.
However, health authorities have announced that they are studying the need for re-introduction into the health system.
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The National Institute of Excellence in Health and Care (NICE) reviews its recommended weight guidelines during pregnancy.
Its current guidelines state that weight and height should be checked at the first meeting, but not repeatedly during pregnancy.
Recommendations from the Medical Institute on weight gain during pregnancy.
◾ Minimum weight – gain 12.7-18.1 kg during pregnancy
◾ Normal weight – gain 11.3-15.9 kg
Weight greater than 6.8-11.3 kg
Difficulty – Profit 5-9.1 kg
NICE is exploring the possibility of keeping the same recommendation in its new report in the preparatory phase, which could be published by 2019.
It recommends pregnant women eat during pregnancy, but states that they should not "eat for two".
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Energy needs have not changed during the first six months of pregnancy, and have risen only moderately in the last three months, while the expectant mother needs about 200 extra calories a day.
Mandy Forrester of the US Midwife (RCM) said some British midwives are already adhering to US weight regulations, but others do not have a weighing machine.
"Midwives need tools and training to provide the best assistance and best care to women. These are urgent needs because of serious complications that may occur during pregnancy due to overweight women. "
Overweight obese pregnant women (with BMI greater than 30) are at increased risk of complications such as gestational diabetes, abortion and preeclampsia.
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According to one study, overweight or underweight in pregnancy is dangerous for the unborn baby.
According to a new ICR study published in the Diabetology journal, too much weight gain or loss during pregnancy is often the cause of malformations seen in many seven-year-olds.
The Hong Kong Institute, which examined 905 mothers and their children, revealed health problems such as high blood pressure and low blood sugar.