Progesterone (P) Measurement time Specimen Old system unit normal value Old → new coefficient Legal unit normal value New → old coefficient Follicular phase blood 0.2 to 0.6ng/ml 3.18 0.6 to 1.9nmol/L 0.3145 Luteal phase blood 6.5 to 32.2ng/ml 3.18 20.7 to 102.4nmol/L 0.3145 7th week of pregnancy blood 24.5±7.6 ng/ml 3.12 76.4±23.7nmol/L 0.32 8th week of gestation Blood 28.6±7.9ng/ml 3.12 76.4±23.7nmol/L 0.32 Follicular phase Blood 24.5±7.6ng/ml 3.12 89.2±24.6nmol/L 0.32 9th to 12th week of gestation Blood 38.0±13.0ng/ml 3.12 118.6±40.6nmol/L 0.32 13-16 weeks of gestation Blood 45.5±14.0ng/ml 3.12 142.0±43.7nmol/L 0.32 17-20 weeks of gestation Blood 63.3±14.0ng/ml 3.12 197.5±43.7nmol/L 0.32 21-24 weeks of gestation Blood 110.9± 35.7ng/ml 3.12 346.0±111.4nmol/L 0.32 25-34 weeks of gestation Blood 165.3±35.7ng/ml 3.12 514.8±111.4nmol/L 0.32 35 weeks of gestation Blood 202.0±47.0ng/ml 3.12 630.2±146.6nmol/L 0.32 Menopause Blood <1.0ng/ml 3.18 <3.2nmol/L 0.3145 13-36 weeks of gestation Amniotic fluid 55ng/ml 3.12 171.6nmol/L 0.32 Full-term pregnancy Amniotic fluid 26ng/ml 3.12 81.1nmol/L 0.32 Beta-chorionic gonadotropin (beta-HCG) Measurement time Specimen Old system unit normal value Old→New Coefficient Legal unit normal value New→old Coefficient Non-pregnant Blood <3.1ng/ml 1 <3.1μg/L 1 7-10 days of pregnancy Blood >5.0mU/ml 1 >5.0U/L 1 30 days of pregnancy Blood >100mU/ml 1 >100U/L 1 40 days of pregnancy Blood >2000mU/ml 1 >2000U/L 1 10 weeks of pregnancy Blood 50-100U/ml 1 50~ 100kU/L 1 14 weeks of gestation Blood 10-20U/ml 1 10-20kU/L 1 Trophoblastic disease Blood >100U/ml 1 >100kU/L 1