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The lateral asymmetry of ovarian endometriomas, with a left-sided predilection, seems to disappear with advancing age. This asymmetry does not seem to persist in women >35 years of age.

Little is known about the outcome of pregnancy in women with beta-thalassemia intermedia (TI). Over 10 years, maternal and neonatal outcomes of women with TI followed at a single thalassemia center were reviewed. Nine spontaneous pregnancies in five women with TI were studied. Six pregnancies resulted in live newborns; two were complicated by first-trimester abortions and one by an unexplained intrauterine fetal death at 36 weeks' gestation. Two patients had splenectomy before pregnancy: one required cesarean delivery and splenectomy at 31(2/7) weeks' gestation for worsening hemolytic anemia and thrombocytopenia and another had splenectomy 8 weeks postpartum for symptomatic hypersplenism. Two patients had received transfusions before pregnancy, and two required them for the first time during pregnancy and developed antibodies, which contributed to worsening of their anemia and repeated transfusions. The mean number of transfusions received during pregnancy was 8.0 +/- 5.2 units. The mean lowest hemoglobin level in pregnancy was 5.2 +/- 2.0 g/dl. Cesarean delivery was performed in 42.9% of cases. Mean gestational age at delivery was 36.7+/- 3.1 weeks with intrauterine growth restriction (IUGR) complicating 57.1% of cases. In conclusion, IUGR complicates more than half of pregnancies with TI. Transfusions are needed in most cases, even in non-transfusion-dependent patients. Postpartum splenectomy might be necessary in some patients.

Objective: To compare small-for-gestational-age (SGA) twins to appropriate-for-gestational-age (AGA) twins regarding preterm delivery (PTD)., Study Design: Retrospective review of maternal and neonatal records of live, nonanomalous twins > or = 25 weeks' gestation delivered in 1984-2000 in a tertiary care center. Pregnancies (N = 679) were divided into AGA/ AGA (n = 347), SGA-AGA (n = 191) and SGA/SGA (n = 141) groups using singleton growth curves. The PTD rate was compared and logistic regression analysis was done to study factors that influenced PTD at < or = 34 weeks. p < 0.05 was considered significant., Results: The PTD rate at < or = 34 weeks was AGA/AGA (38.6%), SGA-AGA (14.7%) and SGA/SGA (1.4%) (p < 0.001). On multiple logistic regression analysis, discordance significantly increased PTD (OR = 5.05, 2.47-10.31, p = 0.001), while smallness for gestational age significantly decreased PTD (OR = 0.095, 0.05-0.17, p < 0.001). The PTD rate increased directly with the increase in the relative overall weight of the twins., Conclusion: The PTD rate is higher in AGA twins as compared to SGA twins. The PTD rate is directly related to the overall weight of the twins.

Objective: To compare the neonatal outcome of vaginally delivered (VD) to that of abdominally delivered (CS) vertex-nonvertex (Vx/NVx) twins., Methods: Vx/NVx live nonanomalous twin gestations >or=25 weeks delivered from 1984 to 2000 were divided into two groups: VD (N=138), and CS (N=79). The outcome of the second twin was compared., Results: The vaginal delivery rate for the Vx/NVx twins was 63.6%. The median Apgar scores at 1 and 5 min, respectively, were significantly lower in VD [7 (0-9) and 9 (1-10)] compared to CS [8 (2-10) and 9 (2-10)]. The neonatal mortality was also higher in VD (109/1000 vs. 38/1000, p=0.040). Differences in the 1-min Apgar scores persisted when infants <1500 g were excluded. All other neonatal outcome variables studied including respiratory distress syndrome, necrotizing enterocolitis, intraventricular hemorrhage, trauma, seizures, and length of nursery stay were similar. On logistic regression analysis, vaginal delivery of Vx/NVx twins marginally increased low 5-min Apgar scores and neonatal deaths., Conclusion: Vaginal delivery in vertex-nonvertex twins was achieved in 63.6% of cases at the expense of a higher incidence of low 1- and 5-min Apgar scores and neonatal death.

Objective: The purpose of this study was to compare maternal and neonatal complications in spontaneous versus in vitro fertilization twins., Study Design: Twin gestations that were delivered from 1995 to 2000 were reviewed. Cases consisted of 56 in vitro fertilization twins, each of which was matched to two control mothers by age and parity. They were compared regarding various maternal and neonatal complications., Results: In vitro fertilization twins were more likely to have preterm labor compared with control twins, with no difference in the incidences of pregnancy-induced hypertension, gestational diabetes mellitus, placenta previa, or preterm premature rupture of membranes between the two groups. The cesarean delivery rate was significantly higher in cases of twins who were conceived by in vitro fertilization (76.8% vs 58.0%, P=.026), despite a similar rate of elective cesarean delivery and the incidence of nonvertex twin A in both groups. The preterm delivery rate was significantly higher (67.9% vs 41.1%, P=.002) and the gestational age was significantly lower (35+/-3 weeks vs 36+/-3 weeks, P=.043) in cases compared with control subjects. Both twins were, on the average, 230 g lighter in the in vitro fertilization group compared with the control group. However, intrauterine growth restriction was more frequent in the control group (36.6% vs 25%, P=.044). There was a significantly higher incidence of admission to the neonatal intensive care unit, respiratory distress syndrome, a need for mechanical ventilation, and pneumothorax in cases compared with control subjects., Conclusion: When compared with spontaneous twins, in vitro fertilization twins are more likely to be delivered by cesarean delivery and to have a higher incidence of preterm birth and prematurity-related respiratory complications with a longer nursery stay.