Lovenox and progesterone

I've had 4 miscarriages and with 2 I was on aspirin and progesterone and lost them. I did have a successful pregnancy on them in the middle as I had 1 daughter no problems 3 Mc and then my second daughter then in April I had a mc again so my OB put me on progesterone 200mg daily lovenox 40mg Sq daily and neevo prenatal vitamins does any one else have any experience with these, and I don't have a blood disorder and have read conflicting reports online about the use of blood thinners if you don't have a blood disorder....any information ins greatly appreciated I am currently 4 w 2 day per OB visit