Often infertility is diagnosed on a woman when the blood is tested and the reproductive hormones will appear at what’s considered infertility levels.
Below are the main female reproductive hormones and their normal levels. Levels that are higher or lower are considered to be deficient.
Normal Fertility Levels
Day one is the first day of menstrual bleeding.
Estradiol (E2) – also called estrogen – “normal” levels at day three should be 25-75 pg/ml, at days 4/5 should be at 100+ pg/ml and at the day of surge (the day the mature follicle pops out an egg) should be at 200+ pg/ml.
Follicle stimulating hormone or FSH should be at 3-20 mIU/ml at day three.
Luteinizing hormone (LH) day three less than 7 mIU/ml and at surge greater than 20 mIU/ml.
Progesterone (P4) less than 1.5 ng/ml on day three and should rise up to greater than 15 ng/ml at 7 days post ovulation.
Prolactin at day three less than 24 ng/ml.
Thyroid stimulating hormone (TSH) at day three 18-114 mnol/l.
Infertility Levels May Be Anything Outside the Normal Range
These are normal ranges – and readings that appear above or below could be indicative of possible infertility.
There are a panel of other hormones that can be tested, if infertility is suspected and these levels rule out any indications, more blood tests can be run to determine the root of the problem. Often an imbalance of hormones can throw the entire endocrine system off with infertility being one of the many signs.
Unbalanced hormones are fairly easy to bring back into balance with medications and careful observation of a physician. Even diet and environment can play a role in helping to balance the body’s reproductive system.
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