Ultrasound Imaging in Multifetal Pregnancies: Its

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Discordance & Adverse Outcome by Chorionicity DC 18% discordance = Uncomplicated MC MC 18% discordance double risk of adverse outcome SGA 5% 18% BW Discordance Choriionicity HR (95% CI) P HR (95% CI) P Monochorionic 2.6 (1.4-4.7)
Cl<strong>in</strong>ical MCDA Discordant Growth* Early (15) Late (13) Discordance EFW > 20% < 20 wks > 26 wks Concordant (150) UA Doppler abnl 73% 0 3% IUFD 27% 8% 1% TAPS 0 38% 3% GA_Delivery 33 35 35 Birthwt discordance 30% 31% 9% Overall Survival Rate 83% 96% 99% Placenta Placenta Territory ratio 2.55 1.6 1.4 Total Anastomotic Diameter (mm) * Bwt Discordance > 25% 14 6 9 Lewi L AJOG 2008;199:511.e1
Page 1 and 2: “Ultrasound Imaging in Multifetal
Page 3 and 4: Perinatal mortality MC vs. DC twins
Page 5 and 6: Complications in Monochorionic Mult
Page 7 and 8: "There is NO diagnosis of twins.”
Page 9 and 10: Ultrasound techniques for determini
Page 11 and 12: Multifetal Pregnancies ~ Establish
Page 13 and 14: Accuracy of referral vs. tertiary d
Page 15 and 16: Bipartite Monochorionic Placentatio
Page 17 and 18: Bahityar MO, J Ultrasound Med 2007;
Page 19 and 20: Maternal-Fetal Surgery: Balancing R
Page 21 and 22: Dilemmas in Management of twins dis
Page 23 and 24: Acardiac Twin
Page 25 and 26: Outcome in TRAP Pregnancies Observa
Page 27 and 28: Twin-twin Transfusion Syndrome
Page 29 and 30: Twin Twin Transfusion Syndrome Diag
Page 31 and 32: Twin-Twin Transfusion Syndrome Stag
Page 33 and 34: Suspected TTTS How often Dx Correct
Page 36 and 37: TAPS Optimal Management is Unclear
Page 38 and 39: Discordant Growth & Selective IUGR
Page 40 and 41: Factors Affecting Fetal Maternal Pl
Page 42 and 43: First trimester prediction Twin com
Page 46 and 47: Monochorionic Twins Selective IUGR
Page 48 and 49: Perinatal outcome with expectant ob
Page 50 and 51: Monochorionic Diamniotic Twins Freq
Page 52 and 53: Twins Ultrasound Surveillance All t

Ultrasound Imaging in Multifetal Pregnancies: Its

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