My last period was on 22nd July, and my pregnancy test is positive. An ultrasound shows a small gestational sac, but no cardiac activity is detected yet. How long should we wait for cardiac activity to appear, or could this indicate another issue? Please advise.

Answered by 1 Apollo Doctors

Dr Rohinipriyanka Pondugula

General Practitioner

MBBS
9+ Yrs

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If your last period was on 22nd July and the ultrasound shows a small sac without cardiac activity, it may still be early. Cardiac activity is usually seen by 6 to 7 weeks of pregnancy. Your doctor may advise a repeat ultrasound after 1 to 2 weeks to check for cardiac activity. Get a serum beta hCG test if advised to track pregnancy progress.

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Answered 08/09/2025

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