Low progesterone/progesterone suppository

Amanda
Hi Im new here, im 36 and just found out I'm pregnant. I have a 16yr old and an 11 yr old. I've also had 2 miscarriages and a full term stillborn so my dr is checking my levels every 2 days. I went from 21 to 17 Wednesday to Friday so I'm now on progesterone suppositories. Has anyone hAd this? And gone on to have a baby? I'm so nervous. I really want this baby