A member asked:

What is the human growth hormone level for a 3 week old embryo?

10 doctors weighed in across 2 answers
Dr. Cayce Jehaimi answered

Specializes in Pediatric Endocrinology

Unknown: the pituitary gland is not even formed yet so any levels will be reflected my maternal GH level.hard to answer what normal level will be

Answered 5/29/2015

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Dr. Richard Roberts answered

Specializes in Pediatrics

Did you mean HCG?: People frequently confuse HCG human chorionic gonadotropin level with HGH human growth hormone. That is probably what you meant. Embryologists date pregnancy from the date of conception, while OBs date it from the first day of the last menstrual period, which is on average 2 weeks earlier. HCG becomes detectable about 7 days after conception, ranging 5 - 50 mIU/ml, 21 days-18 - 7,340 mIU/ml.

Answered 6/30/2015

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