Transvaginal ultrasound scanning in earl
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Dr. Salim Daya; Sheila Woods; Susan Ward; Ray Lappalainen; Chris Caco
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Article
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1991
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John Wiley and Sons
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English
โ 330 KB
## Abstract Pregnancy can be detected early using transvaginal ultrasonography and human chorionic gonadotropin (hCG) measurements. The purpose of this study was to correlate serum hCG levels with transvaginal gestational sac measurements. The mean sac diameter (MSD) and gestational sac diameter (G