My hCG doubled in 72 hours. Will I miscarry?

Q. My hCG doubled in 72 hours. Does it mean I will miscarry?

Answered by
Dr. Uzma Arqam
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on Aug 09, 2023

Hello doctor,

At six weeks and one-day pregnant, I had a gestational sac measuring at five weeks, six days. (I do not always have 28-day cycles, sometimes 30 days), and the gestational sac was empty (no yolk sac, no fetal pole). Two days prior to the ultrasound, my progesterone measured at 5.3 and my hCG was 6009. My hCG had doubled in 72 hours. My intuition is telling me that I am going to miscarry. Given my progesterone level and the fact that my gestational sac is measuring plenty big enough for at least a yolk sac to be seen. My doctor keeps saying just wait. My question is, given everything presented, am I correct to assume a miscarriage? I feel that I have prepared myself to expect it.



Welcome to

I could understand your concern. It seems you had a bit irregular periods as well. Now sac is there but no fetal pole or yolk sac around 5+ weeks. Beta hCG that shows a progression of pregnancy increasing more than 50 % as you described. This scenario is known as anembryonic pregnancy means no embryo development. It is better to wait for a week or 10 days. Here, you have not mentioned the exact measure of the gestational sac. In case of irregular periods or some other factors dates discrepancy also occurs but still point is that still no yolk sac or fetal pole as you said, then more chances could be suspected like missed miscarriage or anembryonic pregnancy, if still in coming days fetal pole could not be seen. You can prepare yourself to be positive whatever has been written for you as you could have a healthy conception again. In case of an abnormal product of conception normally miscarriage happens so do not be sad. Just wait and see and have rescanned after 7 to 10 days to reach any definite conclusion. In case of bleeding, cramps, abdominal pain immediately report to tertiary care gynecology emergency unit.

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