Study: oral contraceptives dramatically increase risk of breast cancer in India

From The Times of India:  

Women who take oral contraceptives regularly are at a higher risk of developing breast cancer compared to others, shows a study by AIIMS doctors. Breast cancer risk was found to be 9.5 times more in women with a history of consuming such pills. Early menstruation cycle, late marriage and lower duration of breastfeeding were the other major factors responsible for the disease amongIndians, according to the study published in the latest issue of the Indian Journal of Cancer.

The study was conducted on 640 women, of which 320 were breast cancer patients.

“We found long-term use of oral contraceptive pills (OCP) higher among those suffering from breast cancer-11.9%-compared to healthy individuals-1.2%,” said Dr Umesh Kapil, a professor at the public health nutrition unit, AIIMS. He said breast cancer is caused by repeated exposure of breast cells to circulating ovarian hormones, and long-term use of OCPs, which contain estrogen and progesterone, may be increasing this risk by causing hormonal imbalance.

The study mostly had women who used OCPs for birth control. Emergency contraceptives, popularly called morning-after pills, were not included.

Dr Ajeet Singh Bhadoria, a public health specialist and co-author of the study, said that while the use of OCPs for birth control is on the decline, there has been a spike in the use of morning-after pills.

“Morning-after pills contain a higher dose of hormones and are meant for emergency. However, many young women use them regularly to prevent pregnancy in case of unprotected sex. Awareness about the side-effects of long-term use is a must,” he said.

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