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Dear Judie:
Multiple gestation has higher hCG levels because each pregnancy unit forms a
placentaAnatomy of a normal placenta
Placenta
Placenta abruptio
Placenta previa
Ultrasound, normal placenta - braxton hicks
Ultrasound, normal relaxed placenta which is the source of the hormone. There is not a level that diagnoses multiple pregnancy. the pattern of rise, a doubling every 2-3 days, is the same as a singleton pregnancy.
Twin gestation is diagnosed from ultrasound images.
Keywords: high hCG, multiple pregnancy
This information is provided for education purposes and is not amedical consultation. If you have specific questions, please speak with your physician.