@kvacmak it's not being judgey it's giving good advice. And obviously u got the ok from a midwife 1st. People need to stop being so hypersensitive. Point being see the OB b4 having sex again to rule out postpartum issue.
I don't have this problem but it can be a sign of pelvic floor dysfunction. I suggest you talk to your doctor about seeing a physiotherapist who specializes in pelvic floor health. FYI @NurseRieger my midwife gave me the ok to have sex at 2 weeks pp, so there's no need to judge. Edited because spelling is hard