More importantly, if she does start taking hormones (natural
>  > progesterone or artificial, and some form of testosterone) are these
>>  generally safe or unsafe while breastfeeding?

Seems to me that progesterone is not a problem. But androgenes (testosterone
and so on) are containdicated in a breastfeeding mother : risk of
virilisation in the baby girl, inhibition of lactation (action on
prolactin).

could the low progesterone and low testosterone actually be caused
>  > entirely by breastfeeding?

Don't know...

Kindly
Françoise Railhet
Manager of the LLL France Medical Associates Program
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