hi just wondering if anyone knows ithink mine have come bk ok but just wondering what levels other people have had & if they were normal . violet x
Normal p4 levels are: Progesterone during menstrual cycle: Day 1-14 >1 to 1.5 ng/ml Day 15-28 2-28 ng/ml Progesterone during pregnancy: First Trimester 9-47 ng/ml Second Trimester 17-147 ng/ml Third Trimester 55-200 ng/ml Hope that helps?