How long does it take for a transvaginal ultrasound to detect an ectopic pregnancy?

Patient's question:

I am very sad that I have an ectopic pregnancy. Hello, doctor. How long does it take for a transvaginal ultrasound to detect an ectopic pregnancy? Thank you.

Doctor's answer:

If you have a detailed ultrasound examination in the early stages of pregnancy, you can choose either transvaginal ultrasound or transabdominal ultrasound. If you choose transabdominal ultrasound, you need to be around 6 weeks post-menstruation, as it is too early to see the gestational sac. For transvaginal ultrasound, the timing can be slightly earlier. Even if it is an ectopic pregnancy, if the time is too short, the gestational sac will not be large enough to cause rupture or bleeding. As long as there is no abdominal pain or vaginal bleeding at the moment, it should not be a major issue. You should verify the pregnancy duration and have a thorough examination at the hospital when the time comes.

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