Dear Prudence is Slate’s advice column. Submit questions here .

Dear Prudence,

My husband and I are trying to start a family. The problem is that my mother-in-law has taken it upon herself to dispense all manner of advice on how I can get pregnant (i.e., most effective sex positions, what time of the day/month to have sex, what foods I should be eating). It’s thoroughly weirding me out.

Asking my husband to get his mother to shut up has been useless; he tells me to let her talk and not respond. As far as I’m concerned, what she is doing is gross and completely inappropriate, and I am this close to telling her off. Should I go that route, or insist my husband be a man and tell his mother to mind her own business?

—Trying to Conceive and Cringing

Dear Trying,

If you’ve asked y

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