According to researchers at the Oregon Health & Science University (OHSU), taking birth control certainly has pros and cons, but the idea that the pill causes women to gain weight is a myth. Lead author of the study, Dr Alison Edelman, a physician and researcher in the Department of Obstetrics and Gynecology at OHSU, stated, "Issues surrounding weight are hard to study in humans, and the research thus far has been insufficient to demonstrate whether or not oral contraceptives cause weight gain or loss. "But this is an extremely important question as concern about weight gain is one of the main reasons why women may avoid or discontinue birth control, which in turn places them at greater risk for an unplanned pregnancy." The study found the obese animals lost 8.5 percent of their weight and 12 percent of their body fat, while the normal group retained a steady weight throughout the trial period. Study details In order to determine whether there is a link between gaining the pounds and taking the pill, the researchers conducted an animal study. They examined a group of rhesus macaque monkeys at the Oregon National Primate Research Center for a period of eight months. For the purpose of the study, the animals were split into two groups, those being obese and those of normal weight. Rhesus macaque monkeys were chosen as their reproductive system is identical to that of the human being. The animals were given oral doses of contraceptives equivalent to the intake of humans. During the study period, the researchers monitored the weight, food intake, activity levels, body fat and lean muscle mass of the monkeys. Revelations of the study The study found the obese animals lost 8.5 percent of their weight and 12 percent of their body fat, while the normal group retained a steady weight throughout the trial period. In addition, on changes were perceived in the food consumption, physical activity or lean muscle mass in either group. "This study suggests that worries about weight gain with pill use appear to be based more on fiction than on fact," said Dr. Judy Cameron, senior author of the paper and a researcher at the center. This study would be published in the February issue of the journal ' Reproduction.' Benefits of oral contraceptives According to medics, before ditching the pill, it is important that women weigh its benefits. Apart from being effective in preventing pregnancy, the pill can reduce the risk of ovarian and endometrial cancer, etopic pregnancy, ovarian cysts, and noncancerous breast cysts and lumps. The pill can also make a woman's periods lighter and more regular, with milder menstrual cramps. It also offers some protection again loss of bone density. Experts theorize that women who are concerned about weight gain may be able to offset it by modifying their diet and increasing exercise.
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