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In accordance with a previous protocol, a second cohort of 254 mothers with a history of previous neural tube defect (NTD) births was before a subsequent conception and continued until the time of the second missed menstrual period. There were 2 NTD recurrences (0.9% of 234 infants/fetuses examined), which is significantly fewer than the 11 NTD recurrences(More)
OBJECTIVE To assess prospectively the number of triplet and higher multiple births born in 1989 and their methods of conception. To assess obstetric factors and the effect of these pregnancies on neonatal medical services. DESIGN All consultant paediatricians received a monthly card asking whether they had been involved in the management of triplet and(More)
Little is known about the prevalence of cerebral palsy (CP) within ethnic subgroups born in Britain. The Yorkshire Regional Cerebral Palsy Register has ascertained all cases of CP in children born within the Regional Health Authority boundary in 1985 to 1987 inclusive and diagnosed by 5 years of age. Birth registrations recorded by ethnic subgroups allowed(More)
The birth prevalence of neural tube defects (NTD) in the Yorkshire Region was determined for 1985 and 1986 by ascertainment of cases in live-and stillborn babies and of pregnancies terminated for NTD. Sixty-seven cases of anencephaly, 82 of spina bifida and 11 others were identified, a prevalence of 1.54 per 1000 total births. Eighty-eight per cent of(More)
A sick premature baby who requires intensive care will undergo many uncomfortable procedures. It is now accepted that such babies perceive pain and need adequate analgesia, but little is known about the effects of sedation in these patients. We investigated the use of morphine to provide analgesia and sedation for ventilated preterm babies in a randomised,(More)
We have investigated the disposition of potentially endotoxic homocysteine (Hcy) and its transsulfuration metabolite cysteine (Cys) in 98 individuals (age range 20-66 years). Our study reports on the relationship between Hcy and two important dietary factors likely to influence plasma levels of this thiol: dietary folate and dietary methionine. chi2(More)
Previously reported work from this laboratory has shown that, in man, the formation of plasma 5-methyltetrahydrofolic acid (5MeTHF) from orally administered pteroylmonoglutamic acid (PGA) obeys Michaelis-Menten kinetics. The regression equation obtained from a plot of the reciprocal amount of 5MeTHF formed (micrograms per litre plasma/min) as a function of(More)
1. We measured erythrocyte folic acid and riboflavin, serum folic acid and leucocyte vitamin C in women at high risk for neural tube defect (NTD) recurrence who were receiving periconceptional vitamin supplementation, before they received extra vitamins, after 28 d of supplementation and at the 8th week of pregnancy. Blood vitamin concentrations in(More)