Progesterone levels during the menstrual cycle
Follicular phase – 1-1.5 ng/ml – 3.2-4.8 nmol/l
Lureal phase – 2-28 ng/ml – 6.4-89 nmol/l
Progesterone levels in the menstrual cycle
Follicular phase
< 1.5 ng/mL ( 4.8 nmol/L ) - Normal level
> 1.5 ng/mL ( 4.8 nmol/L ) - High level
Luteal phase
< 10 ng/mL ( 32 nmol/L ) - Low level
> 10 ng/mL ( 32 nmol/L ) - Normal level
1 Trimester
< 5 ng/mL ( 16 nmol/L ) - Low level, non-viable pregnancy (100%)
< 10 ng/mL ( 32 nmol/L ) - Low level, abnormal pregnancy
< 25 ng/mL ( 80 nmol/L ) - equivocal range
> 25 ng/mL ( 80 nmol/L ) - Normal level, viable intrauterine pregnancies (98%)
2 Trimester
< 40 ng/mL ( 125 nmol/L ) - Low level
> 40 ng/mL ( 125 nmol/L ) - Normal level
3 Trimester
< 80 ng/mL ( 255 nmol/L ) - Low level
> 80 ng/mL ( 255 nmol/L ) - Normal level