Obesity tied to difficult pregnancy

Jul 12 2014, 15:24 IST
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Obesity affects 36 per cent of women of childbearing age. Obesity affects 36 per cent of women of childbearing age.
SummaryBeing overweight during pregnancy can lead to a host of problems ranging from gestational diabetes to miscarriage and premature birth.

Pregnancy, or the desire to become pregnant, often inspires women to take better care of themselves — quitting smoking or eating more nutritiously.

But now many women face an increasingly common problem: obesity, which affects 36 per cent of women of childbearing age. In addition to hindering conception, obesity — defined as a body mass index above 30 — is linked to a host of difficulties during pregnancy. These range from gestational diabetes, hypertension and pre-eclampsia to miscarriage, premature birth, emergency cesarean delivery and stillbirth.

The infants of obese women are more likely to have congenital defects, and they are at greater risk of dying at or soon after birth. Babies who survive are more likely to develop hypertension and obesity as adults.

To be sure, most babies born to overweight and obese women are healthy. Yet a recently published analysis of 38 studies found that even modest increases in a woman’s pre-pregnancy weight raised the risks of foetal death, stillbirth and infant death.

Personal biases and concerns about professional liability lead some obstetricians to avoid obese patients. But Dr Sigal Klipstein, chairwoman of the committee on ethics of the American College of Obstetricians and Gynecologists, says it is time for doctors to take more positive steps to treat obese women who are pregnant or want to become pregnant.

Dr Klipstein and her colleagues recently issued a report on ethical issues in caring for obese women. Obesity is commonly viewed as a personal failing that can be prevented or reversed through motivation and willpower. But the facts suggest otherwise.

Although some people manage to shed as much as 100 pounds and keep them off without surgery, many obese patients say they’ve tried everything, and nothing has worked. “Most obese women are not intentionally overeating,” Dr Klipstein said. “Obstetricians should address the problem, not abandon patients because they think they’re doing something wrong.”

The committee report emphasises that “obese patients should not be viewed differently from other patient populations that require additional care or who have increased risks of adverse medical outcomes.”

Obesity rates are highest among women “of lower socioeconomic status,” the report notes, and many obese women lack “access to healthy food choices and opportunities for regular exercise that would help them maintain a normal weight.”

Nonetheless, obese women who want to have a baby should not abandon all efforts to lose weight. Obstetricians who lack expertise in weight management can refer patients to dietitians who specialise

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