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  • Title: Slow rising serial chorionic gonadotropins predict poor pregnancy outcome despite sonographic viability.
    Author: Check JH, Liss JR, Katz Y, Shucoski K.
    Journal: Clin Exp Obstet Gynecol; 2003; 30(4):193-4. PubMed ID: 14664408.
    Abstract:
    PURPOSE: To determine the prognosis of women with slow rising beta-hCG levels when viability is detected by ultrasound. METHODS: Serum beta-hCG levels were obtained every two to three days in the early first trimester. Doubling-time (DT) of beta-hCG levels was defined as DT exceeding 3.2 days. Sonography was performed at eight weeks and then after 12 weeks. RESULTS: There were 158 consecutive pregnancies evaluated and 111 (70%) had normal rising beta-hCG levels, viable ultrasound at eight weeks, and viable pregnancies after 12 weeks. There were 22 pregnancies with slow rising beta-hCG levels (13.9%) with 16 (72.7%) showing viability at eight weeks but not after the first trimester. A sac-crown rump length discrepancy with a sac smaller than normal was found in 11 of these 16 (68.7%) women. CONCLUSIONS: Patients with slow rising beta-hCG levels should not be given an optimistic prognosis even if viability is demonstrated at eight weeks.
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