So where I live (Pennsylvania) most OBGYNs and Even the RE I went to don't subscribe the the low progesterone theory at all. After my MC in November I had a gut feeling it's why I miscarried. Well no one would check it. So now I'm 6 weeks pregnant (by US) 7 weeks by LMP and on top of my babe measuring small the HR was very low. It was 103 this past Monday then 92 3 days later. Since no one would listen to me I had my brother who is an MD check me progesterone and it was only 6!! I had to pretty much beg for the oral progesterone supplements. The doctor said it doesn't matter and prob won't help and she didn't even seem d phase my level was only 6. Has anyone else experienced his. It seems like everything else I read shows doctors who always check the progesterone level. I'm gonna be crushed if I lose this baby