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Hello, I have had FET last month, two 5day frosties transfered. 10 days after transfer betaHCG level was 302, 12 dpt 824, 15dpt 2800. We thougth that we have twins. Yesterday we had 1st ultrasound, I am 5w6d and doctor saw one gestational sac 18×9 mm, yolc sac 3,4 mm but fetal pole only 2mm. Still too small for heart beat.
Considering high betas, is everything in order? Is fetal too small if we look the size of gestational sac?
Thank you in advance.

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replied June 12th, 2018
Infertility Answer A63997
Thank you for asking at Ehealth forum!

I read your question and I understand your concern.
The exact size of the fetal pole is difficult to measure,though a 2-4 mm at 5 weeks is considered as normal.Heartbeat is only evident when it reaches the size of 5 mm.So,considering the fact,there is a need of a repeat scan after two weeks to confirm the viability.
I hope it helps. Stay in touch with your healthcare provider for further guidance as our answers are just for education and counseling purposes and cannot be an alternative to actual visit to a doctor.
Take care

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