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At least 325 records · Page 18Linked to original sources
PubMed2006

Stillbirths in multiple births: test of independence.

The stillbirth rate in twins is a more sensitive indicator of environmental hazards than the stillbirth rate in singletons. Medical care or other socioeconomic factors may be more influential for perinatal survival in twin than in single deliveries. Studies have indicated that stillbirths among children in a set of multiple maternities are not independent. Models were considered assuming independent outcomes within a set of multiple maternities. Analyses of the stillbirth rates confirm that the risk of stillbirth among males is almost constantly higher than among females. Any model introduced should assume different stillbirth rates for males and females. The models were tested with both maximum likelihood and minimum chi2 methods. Data was analyzed from Sweden, the Aland Islands, Saxony, England and Wales, and significant discrepancies obtained from the independence models. The same-sexed twin data contain both monozygotic and dizygotic twin sets with apparently different stillbirth rates. Consequently, for same-sexed twins the proposed model could be considered too simple. After improvement by splitting the same-sexed data into monozygotic and dizygotic twin sets, the dependence still remains. The proportion of both same-sexed and opposite-sexed twin pairs that contain two stillborn is greater than what the stillbirth rates and the independence should indicate. Consequently, stillbirth rate estimates based on the relative frequency of twin sets with two stillborn children have a positive bias. When the stillbirth rate decreases, the number of sets with two stillborn children decreases more slowly than would be indicated by independence.

Female↗
PubMed1982

Severe congenital hypoglossia and micrognathia with other multiple birth defects.

Severe congenital hypoglossia with the anterior two-thirds of the tongue missing is a rare finding. This case report describes an infant 14 months of age who manifests this tongue anomaly along with other congenital malformations including an underdeveloped mandible, partial anodontia, enamel hypoplasia, situs inversus, dextrocardia, and asplenia. Only one other case similar to this case has been reported in the literature. There is no report of any case of severe congenital hypoglossia with asplenia. The etiology of this birth defect is only speculative at this time, but the mother of our patient was exposed to radiation from routine chest films during her first trimester of pregnancy.

Abnormalities, Multiple↗
PubMed2001

Modelling the potential impact of population-wide periconceptional folate/multivitamin supplementation on multiple births.

OBJECTIVE: To develop a model of the impact of population-wide periconceptional folate supplementation on neural tube defects and twin births. DESIGN: A hypothetical cohort of 100,000 pregnancies > or =20 weeks, plus terminations of pregnancy after prenatal diagnosis before 20 weeks. METHODS: Application of pooled data on the relative risks for neural tube defects and twins following periconceptional folate from meta-analysis of the randomised trials. MAIN OUTCOME MEASURES: 1. Pregnancies with a neural tube defect (i.e. terminations of pregnancy, perinatal deaths, and surviving infants); 2. twin births (i.e. preterm births, perinatal deaths, postneonatal deaths, birth defects, cerebral palsy); 3. numbers needed to treat. RESULTS: The change in neural tube defects would be 75 fewer terminations (95% CI -47, -90), 30 fewer perinatal deaths (95% CI 18, -35), and 13 fewer surviving infants with a neural tube defect (95% CI -8, -16). The change in twinning would be an additional 572 twin confinements (95% CI -100, +1587), among whom there would be 63 very preterm twin confinements (95% CI -11, +174), 54 perinatal and postneonatal deaths (95% CI -9, +149), 48 surviving twins with a birth defect (95% CI -8, +133), and nine with cerebral palsy (95% CI -2, +26). The numbers needed to treat for the prevention of one pregnancy with a neural tube defect is 847, for the birth of one additional set of twins is 175, for the birth of one additional set of very preterm twins is 1587, and for the birth of an additional twin with any of the following outcomes (perinatal death, postneonatal death, survival with a birth defect, or survival with cerebral palsy) is 901. CONCLUSIONS: Monitoring rates of neural tube defects and twinning is essential as supplementation or fortification with folate is implemented.

Cohort Studies↗
PubMed2002

Educating families, before, during and after a multiple birth.

Couples who are expecting twins and higher order births need specific information and support to help them prepare for the care of their babies. Professionals caring for such families should be aware of their special needs and ensure close liaison in order to provide a coordinated service throughout the pregnancy and early childhood.

Child Development↗
PubMed1997

Agenesis of the urinary bladder with cutaneous ectopic ureteric orifice and multiple birth defects.

This is to our knowledge the first case in the world literature of a liveborn baby with a tubular colonic duplication, agenesis of the urinary bladder, urethral atresia, and a single pelvic kidney with its ureter opening directly onto the skin in the region of the natal cleft. A brief review of the embryology is included and an attempt is made to explain the embryologic basis for this anomaly.

Abnormalities, Multiple↗
PubMedDate not supplied

[Neonatal, neurologic and psychosocial findings in higher order multiple births. Follow-up for 3 to 10 years].

We examined the outcome of 9 triplet, 3 quadruplet, 1 quintuplet and 1 sixtuplet pregnancies delivered between 1979-1989 at the perinatal center of the RWTH Aachen. The course of pregnancy and neonatal period were retrospectively analysed. The follow-up program covered at least 3, up to a maximum of 10 years. 12 families could be interviewed concerning psychosocial effects. The neonatal mortality was 4%. Neonatal morbidity; hyaline membrane disease (n = 18), intraventricular hemorrhage (n = 9), pneumothorax (n = 7), patent ductus arteriosus (n = 7), bronchopulmonary dysplasia (n = 8). At the age of 2 years 63% of the children were considered to be normal on developmental assessment, 17% showed mild, 20% severe developmental delay. With 3 to 10 years 83% were normal, 17% severely handicapped. In total 20% of the children died or showed severe handicap. Higher order multiple pregnancies make great demands on the perinatal medicine and lead in spite of an improved prognosis to a remaining burden for the children and their parents.

Brain Damage, Chronic↗