Would you give your step daughter the sex talk if you don't like the way her mom did it?

My step daughter is 13 and just got her first period. She told me about it yesterday and told her that her mom had the "talk" with her. What her mom told her is her period means she's a woman now and she's getting to the age where guys are gonna want to have sex with her and it's better for her to just let them do what they want. Don't fight them. Don't complain. Just shut up and give a man what he mans. I know her mom has some mental health issues along with substance abuse issues. I think that's a terrible thing to tell a young girl. I told my husband and said maybe he should have a talk with her but my husband came from an extremely religious family and got punished severely for even kissing a girl so he has trauma around sex so he askede if I could do it. I feel like if I do and she goes and tells her mom that I basically said she's wrong it will cause drama. I just don't want her thinking she needs to go and just let a guy do whatever to her.