A 32-year-old female asked:
ultrasound said i was 6 weeks with a yolk sac however my blood work showed hcg levels at only 894 and that put me at 5 weeks difference why is that?
1 doctor answer
Dr. Roger Duvivier answered
47 years experience Obstetrics and Gynecology
Too early to tell: Additional information on the accurate measurements of your mean gestational sac diameter and the size of your yolk sac performed by a skilled certified sonographer and the dates is needed. HCG levels reflect trophoblastic growth; they can vary greatly and may unfortunately be inaccurate /unreliable.A repeat repeat blood betaHCG test and a repeat sonogram may offer you an answer to your question.
Answered on Aug 10, 2017
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