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Beckwith-Wiedemann syndrome and IVF: a case-control study.
The results of what is believed to be the first case-control study done to test the null hypothesis that there is no difference between the rate of IVF in BWS cases and that in non-BWS controls, in an Australian population are reported.
Minimum birth prevalence of mitochondrial respiratory chain disorders in children.
This retrospective study aimed to determine the minimum birth prevalence of respiratory chain disorders that have onset in childhood, that is the proportion of births that will have onset of symptoms caused by a respiratory chain defect by 16 years of age.
Prevalence and risk factors for obstetric haemorrhage in 6730 singleton births after assisted reproductive technology in Victoria Australia.
The exploratory analysis of factors in the IVF/ICSI group, showing associations with fresh embryo transfers in stimulated cycles, endometriosis and hormone treatments, suggests that events around the time of implantation may be responsible and that suboptimal endometrial function is the critical mechanism.
Pregnancies conceived using assisted reproductive technologies (ART) have low levels of pregnancy-associated plasma protein-A (PAPP-A) leading to a high rate of false-positive results in first
ART pregnancies have reduced FTS PAPP-A levels leading to an increased likelihood of receiving a false-positive result and having a CVS/amniocentesis, and this leads to a higher AdjOR for having a chorionic villous sampling (CVS) or amNIocentesis.
Prevalence at Birth of Cleft Lip with or without Cleft Palate: Data from the International Perinatal Database of Typical Oral Clefts (IPDTOC)
Data is reported on the prevalence of cleft lip with or without cleft palate from 54 registries in 30 countries over at least 1 complete year during the period 2000 to 2005, which comprises more than 7.5 million births.
Gastroschisis and associated defects: An international study
The best estimate of the proportion of gastroschisis associated with major unrelated defects is about 10%, with a few cases associated to recognizable syndromes, which seem to be so exceptional that the well documented and validated cases are worth being published as interesting case report.
International trends of Down syndrome 1993-2004: Births in relation to maternal age and terminations of pregnancies.
The prevalence of Down syndrome births remained stable in most registers as a result of increasing use of prenatal diagnostic procedures and ToP with DS.