Being too thin affects fertility?

Question

I read online that women who have a BMI of 19 or bellow (considered underweight) might take 4 times longer to get pregnant than 'normal' women. I am 164cm and I weigh between 50-51 kg. I eat well, I'm not starving myself at all... I just don't gain weight! This gives me a BMI of between 18.6 and 19. Should I be worried? Is there anything I can do? Is this even true?

Answer

Being underweight and overweight can affect fertility.

Answer

That's not an underweight bmi underweight is 18.5 and under. With my youngest I was 45kg and my height is 166cm... so my bmi was just under 16.5. I was on depo provera and took plan B. Yet I still fell pregnant! Normally it effects fertility if you are under 17.5bmi with my first however I had to gain half a stone to even bring my periods back. Normally they say being underweight affects fertility coz they class it as people not eating correctly. Or losing periods etc

Being too thin affects fertility?

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