@Badlydrawngirly sorry you did say about the NK cells in another post, I forgot. Good that you're having plenty of investigations. Have you been able to find out the reasons for past losses (i.e. have you had any lab results from MC tissues)?
Re: your pain, if your period stops but you're still in pain it sounds like you should maybe get it checked again if you've finished the antibiotics? Ongoing pain is really not ideal on top of the emotional burden, I hope it lets up soon for you. I also have a feeling I may have ovulated soon after the MC, but I'm trying not to think of it as a missed opportunity because I think if I got pregnant I'd find it stressful not knowing how big the baby should be etc. Also I need to get my thyroid levels checked.
Which brings me onto @birdbybird question. I take thyroxine as I had half my thyroid removed years ago. I had a blood test a week pre miscarriage which surprisingly showed I was slightly overactive rather than under, which is opposite of the usual expectation. I'm having a blood test done in 10 days to check current levels. Apparently TSH should be below 2.5 for pregnancy ideally.
@AMS19 hope you've managed to get some mental space. I'm really enjoying the book, I've already learned a lot. It's quite fascinating stuff, lots of info on the different possible causes of miscarriage. Just finished a super interesting bit about genetics.
I would definitely recommend it in the sense that I feel it's teaching me things that can help me ask the right questions in future - e.g. when you Google stuff you might learn that something can happen , but with this book it explains the details/context so you might learn that actually for you in your circumstances, that thing is unlikely to be an issue. Does that make sense? And potentially it'll help me not freak out about things that are unlikely to affect me.
It's very sciency and technical. I think it does a good job of explaining complex information for a layperson to understand, so if you think this sounds like it'll be useful for you I would wholeheartedly recommend.