When Can Pregnancy Be Detected by Ultrasound? A Comprehensive Guide

Discover when pregnancy can be detected by ultrasound and learn about early signs of pregnancy.

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Pregnancy can generally be detected by ultrasound as early as 5-6 weeks after the last menstrual period. During this time, an initial ultrasound can reveal the gestational sac, and by about 6-7 weeks, the fetal heartbeat can often be seen. Early detection is crucial for confirming the viability of the pregnancy and estimating the due date.

FAQs & Answers

  1. Can pregnancy be detected before 5 weeks? No, typically ultrasound can detect pregnancy starting at 5-6 weeks after the last menstrual period.
  2. What can an ultrasound show at 6 weeks? At 6 weeks, an ultrasound can often reveal the gestational sac and sometimes the fetal heartbeat.
  3. Is an early ultrasound necessary? Yes, early ultrasounds can help confirm the viability of the pregnancy and provide an estimated due date.
  4. How accurate is an ultrasound at determining gestational age? Ultrasounds are generally very accurate in determining gestational age, especially in the first trimester.