Hi, I am just trying to gain more information on progesterone levels in the first trimester. Mine were 160 a week ago, and today 107..my nurse says the level is high and looks great- they are happy with anything over 30...just wondering, is it normal for it to drop..or fluctuate like that? I find knowledge comforting!
Progesterone levels vary depending on when the test is done. Blood progesterone levels start to rise midway through the menstrual cycle, continue to rise for about 6 to 10 days, and then fall if fertilization does not result.
Levels continue to rise in early pregnancy.
This following are normal ranges based upon certain phases of the menstrual cycle and pregnancy:
Female (pre-ovulation): less than 1 ng/mL
Female (mid-cycle): 5 to 20 ng/mL
Postmenopausal: less than 1 ng/mL
1st trimester: 11.2-90.0 ng/mL
2nd trimester: 25.6-89.4 ng/mL
3rd trimester: 48.4-42.5 ng/mL
Note: ng/mL = nanograms per milliliter
Yup its perfectly normal...progesterone is not like HCG where the level keeps rising....it fluctuates from day to day and even the time of day....as your nurse said anything over 30 is perfectly normal and with a level over 100 absolutely awesome I would say! Congrats and enjoy the next eight months!
Progesterone levels...fluctuate?
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