Nontubal ectopics: minimally invasive procedures a safe alternative to surgery in selected cases.
Many triplets are conceived as a consequence of assisted reproductive technology (ART). Concerns have been raised that triplet pregnancies conceived by ART are more complicated than those conceived spontaneously. The purpose of this study was to evaluate all triplet pregnancies managed over a 12-year period to determine if there were any differences in outcome based on the mode of conception. All triplet pregnancies between 1999 and 2011 that reached at least 20 weeks' gestation and that were managed at the Royal Women's Hospital (RWH), Melbourne, Victoria were identified. Maternal and neonatal outcomes were compared between ART conceived and spontaneously conceived triplets. In the study period, 53 sets of triplets managed in our institution met the eligibility criteria. Twenty-five triplet sets were conceived by ART and 28 were conceived spontaneously. More ART conceptions resulted in trichorionic triamniotic (TCTA) triplets than did spontaneous conceptions (p = .015). There were no differences between ART and spontaneously conceived triplets for any of the maternal or neonatal complications studied. Trichorionic (TC) triplets delivered at a later gestation than other triplets: 32.1 (SD 2.9) versus 30.4 (SD 3.9) weeks (p = .08). TC triplets were significantly less likely to die than monochorionic (MC) or dichorionic (DC) triplets: 3/93 (3%) versus 13/66 (20%) (p = .025). In conclusion, triplets conceived by ART are more likely to have TCTA placentation and TCTA triplet sets had lower mortality rates than other triplet combinations. Outcomes for triplets conceived by ART were similar to those of triplets conceived spontaneously.
Objectives: To compare the frequency of abnormal genetic diagnoses spanning a period before and after the availability of chromosomal microarray analysis (CMA).We hypothesised that microarray would provide additional clinically relevant information in cases of isolated hypoplastic nasal bone.Method: Fetuses with ultrasound-detected hypoplastic nasal bone (absent or <2.5th percentile in length) between 16 and 37 weeks' gestation over a 10-year period were analysed retrospectively.Results: A total of 118 cases of hypoplastic nasal bone met the inclusion criteria. A pathogenic or potentially pathogenic karyotype was detected more frequently in the era where CMA was available (31/60, 52% vs 19/58, 33%). Of these, 25 cases (42%) had common aneuploidies, and six cases (10%) had clinically relevant copy number variants (CNVs). A clinically relevant CNV was detected in two fetuses that presented with isolated hypoplastic nasal bone on initial ultrasound.Conclusion: In addition to its known association with trisomy 21, a hypoplastic nasal bone may be an objective marker of facial dysmorphism associated with clinically relevant CNVs. Our results support consideration of invasive testing with microarray for pregnancies in which a hypoplastic nasal bone has been diagnosed on ultrasound irrespective of a low-risk screening result for common chromosomal abnormalities.
Introduction: The aim of this study was to describe the association between fetal echogenic bowel (FEB) diagnosed during the second trimester and adverse perinatal outcomes in an Australian antenatal population. Methods: A retrospective analysis of ultrasound scans was performed between March 1, 2004 and March 1, 2009 at The Royal Women’s Hospital, Melbourne, Vic., Australia. Cases reported as having FEB on second trimester ultrasound were included. Medical records of each case were reviewed and information concerning additional investigations and perinatal outcomes were extracted. Results: A total of 66 cases were identified in our database. Three patients (5%) were excluded from further analysis as they were lost to follow-up, leaving 63 (95%) cases in this series. Thirty-two fetuses (52%) underwent karyotyping via amniocentesis, 5 (16%) of which were found to have chromosomal defects. Maternal serology for cytomegalovirus (CMV) was performed in 49 (78%) cases. Investigations indicated a total of 5 women who had CMV infection during their pregnancy. Thirty-three pregnancies (53%) were tested for cystic fibrosis (CF) and 1 baby was confirmed to have CF postnatally. Among the 50 liveborn infants, 3 cases of fetal growth restriction were apparent. Overall, 42 of the 50 liveborn infants (84%) and 67% of the entire cohort of 63 patients with a midtrimester diagnosis of FEB had a normal short-term neonatal outcome. Conclusion: This study reiterates the increased prevalence of aneuploidy, CMV, CF and fetal growth restriction in pregnancies complicated by the midtrimester sonographic finding of FEB. However, reassuringly, 67% of cases with ultrasound-detected echogenic bowel in the second trimester had a normal short-term neonatal outcome in this multiethnic Australian population.
In cases of callosal anomaly suspected on ultrasound, FMRI provides greater certainty and the potential to identify significant additional anomalies. The additional information may alter or clarify prognosis and help parents to better understand the pathology, allowing for informed decisions about the pregnancy to be made. However, some cases may still be diagnosed with additional anomalies after delivery and parents should be aware of such limitations of antenatal imaging.
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