"And how her milk is probably not GOOD enough because of her age, to the disadvantage of the baby. A baby who they thought would have been better off formula-fed instead.
"I was fuming.
"I kid you NOT, a few minutes later my daughter climbs on my lap wanting the boob (talk about right timing), and needless to say, I granted her wish immediately.
"NOW, I am not one that looks for confrontations or arguments, but I COULDN'T RESIST: Obviously the ladies noticed I was breastfeeding, I turn to them and I tell them:
"'By the way, I am 44 years old, 45 next June and my milk is perfect!'"
According to the mother, the look on the ladies' faces was "priceless".
Stefania's story struck a chord with other mums - many of whom were of a similar age to her and breastfeeding.
"Hurray for you! I am 41 and still breastfeeding my 2 year old," a Facebook user commented.
"I'm currently nursing my 3yo and I'm 40. I don't plan on having anymore (though I didn't plan any of my current children), but if I do I wouldn't hesitate to breastfeed for as long as my child wanted to, wherever that kid wanted to. Rock on momma," another follower said.