Still leaking?

Went into this assuming I’d EBF, long story short it didn’t work out, my son had a bad latch and pumping to feed was too much for me so we switched to formula on the day he turned 1 month.

With the shortage of formula I’ve definitely felt some guilt for not trying to continue but we’re doing fine. The only thing is he’s 4 months on the 17 and I still haven’t gotten a period and I noticed this morning I’m still leaking in the shower and can hand express on both sides. It’s been 3 months and I still haven’t dried up? Is this normal?