Ay sis, I feel you! So after going off hormonal pills, sometimes it takes a bit para ma-regulate ulit ang cycle, a few of us tried birth control for regulation din and noticed na parang nag-reset ang body namin for a couple of months after. The PT you did on Dec 1 might've been too early pa (usually best around the time ng missed period or a few days after), so if you want to test ulit, baka pwedeng try ulit now na Dec 9 na, pero honestly go back to your OB na para sure, she knows your full history with the Althea at ang ultrasound findings, kaya mas makakatulong sya whether it's just the cycle adjusting or if there's something else going on. Sending you baby dust!