Earliest diagnosis of pregnancy can be established safely by:
Correct Answer: USG for fetal cardiac activity
Description: Ans: A. USG for fetal cardiac activity (Ref Williams 24/e p196; Ultrasound Obstet Gynecol 2011; 37:625-628; Dutta 8/e p77-78, 7/e p68)Earliest diagnosis of pregnancy:Most accurate & safest method diagnose ble pregnancy at 6 weeks = USG for fetal cardiac activity.Transvaginal sonography:By 5 weeks:Reliably visualizes intrauterine gestational sac.Embryo visible transvaginally once mean sac diameter is 20 mm.Otherwise is anembryonic gestation.By 6 weeks:Embryo with cardiac activity.Cardiac motion visible when embryo length is 5 mm.If embryo <7 mm is unidentified with cardiac activity - Subsequent examination recommended in 1 week (American Institute of Ultrasound in Medicine, 2013a).Doppler:Most sensitive but unsafe in early pregnancy.Doppler examination of fetal vessels in early pregnancy should not be performed without a clinical indication.
Category:
Gynaecology & Obstetrics
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now