Breastfeeding reduces breast cancer risk: a case-control study in north India.

also reported a significant trend of increasing risk with increasing age at first birth; women who had first pregnancy after the age of 35 years had 40% increased risk compared to those with first pregnancy before the age of 20 years.[ 7 ] Findings of other studies were similar to the present study.[ 8 ] Helmrich et al . found that

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Although there is a decreasing trend in the early age at marriage and early age at first child birth, but statistically, it is not significant ( P > 0.05).

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