How long did it take you to fall pregnant while breastfeeding?

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I've had multiple miscarriages before this pregnancy which is healthy and going well thank god! But since we had so much trouble conceiving a healthy baby we don't want to waste any time just incase we go threw the same issues again. I plan to breastfeed my daughter for atleast a year and I've heard that some ladies don't get pregnant while breastfeeding. How long did it take you to fall pregnant while breastfeeding?