How much progesterone is normal in 4 - 5 weeks of pregnancy

At 4 to 5 weeks of pregnancy, progesterone levels in pregnant women are generally at least 25 ng/ml. If progesterone levels are less than 15 ng/ml, it is more likely to indicate ectopic pregnancy, such as ectopic pregnancy. If progesterone levels are less than 5 ng/ml, it is more likely to indicate that embryo development has stopped.