Here are a few more:
"Is your DH ok with it, I mean, he's so young?" (He was 31)
"You must have miscounted the weeks and are much further along, you're really big"
"You're probably having twins, they must have missed the other one in the scan."
"Your belly looks pointy, that will NOT be a natural birth."
"Why is he crying? Mine never cried. Put a hat on him."
"Here is a bag of baby rice, he's ready for that now, never mind what the NHS says". (He was 3 mo old.)
"Why are you not giving him chocolate yet?" (6 mo.)
"He's too fat, stop giving him so much fruit and veg and milk" (from the same person as the chocolate comment above)
"Don't pick him up whenever he cries, you're spoiling him."
"BFing on demand means he'll grow up with no schedule of meals."
"BFing on demand means he'll grow up with an oral addiction like thumb sucking and later smoking".
"My father (who is 90) has a serious disease. I think your DS might have the same." (From someone who has not seen DS in almost a year, and has no medical training whatsoever.)
FUCK THE FUCK OFF!!!