Pregnancy/hcg levels?

3 positive pregnancy test(2urine 1blood)4 weeks prior negative urineA week after the postives negative blood and ultra sound ..Has anyone had this hap

3 positive pregnancy test
(2urine 1blood)
4 weeks prior negative urine
A week after the postives negative blood and ultra sound ..
Has anyone had this happen and not miscarried?

or:3 positive pregnancy test(2urine 1blood)4 weeks prior negative urineA week after the postives negative blood and ultra sound ..Has anyone had this happen and not miscarried?

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