I would think at the very least, your body would be robbed of calcium, which we all know us women need more of when we're pregnant/lactating. There has to be so much more risk to her and each developing baby as she ages. I was told that a developing fetus will take what it needs from the mothers body, if it isn't provided for in food/vitamins. Makes sense to me. Personally, I'd be cutting off Mr. and praying for menapause