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0-1 week: 0-50 IU/L 1-2 weeks: 40 - 300 3-4: 500 - 6,000 1-2 months: 5,000 - 200,000 2-3 months: 10,000 - 100,000 2nd trimester: 3,000 - 50,000 3rd trimester: 1,000 - 50,000 Non-pregnant females: <5.0 Postmenopausal: <9.5 As you can see, there is great variation in hCG levels. It isn't the absolute value that matters in these results, but the change in values. In a viable embryo, doubling generally takes place every 36 hours. |
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