Hi alipetrina

The low progesterone levels make sense why you are experiencing the bleeding. My FS explained that the progesterone is like the mortar that keeps the lining all together, if it is too low then the lining will break away (like you house bricks not having sufficient mortar to keep them together).

When I got my last BFP my progesterone was 88 and my clinic likes it to be a minimum of 100. So you 5.5 is very low, but you still have a BFP. As my transfer was an FET I started with 1 progesterone pessary a day 3 days prior to transfer and from result day I've had to increase the progesterone to twice a day until I'm 10 weeks (when the placenta kicks in). So still 1 more week to go until I stop the support, but if that is what's needed to keep everything in it's place then you just do it.

Fingers crossed the extra Crinone does the trick for you and your progesterone levels increase over the next week or so. As Farmgirl mentioned, have you asked about the progesterone injections? They might help get the levels up faster.

Hope all goes well for you.