Ruth M. Hadfield
ORCID: 0000-0002-2748-5461
· 17 papers in corpus
observational
2009
BACKGROUND: An association between endometriosis and reduced risk of pre-eclampsia has recently been reported. Longitudinally-linked electronic hospital records are a valuable resource for investigating such findings in a large, population-…
other
2004
BACKGROUND: Endometriosis occurs in several non-human primate species that have menstrual cycles. This study investigated the prevalence and familial aggregation of endometriosis in one of those species, the rhesus macaque. METHODS: Betwee…
2002
other
2002
OBJECTIVE: The aim of the International Endogene Study is to discover genes that influence susceptibility to endometriosis. DESIGN: The study brings together two research groups based in Australia and the United Kingdom that independently …
observational
2001
The relationship between endometriosis and polymorphisms in the N-acetyl transferase 2 (NAT 2) gene was investigated in a UK population, as this gene has been previously implicated in the aetiology of the disease. Point mutations in the gen…
observational
2001
An association between endometriosis and the glutathione S-transferase (GST) M1 null mutation has been reported in French and Slavic populations. We aimed to replicate this association of endometriosis in a UK population, and to test for as…
observational
1999
An association between the N314D polymorphism of galactose-1-phosphate uridyl transferase and endometriosis has recently been reported in a North American population. To determine whether such an association exists in the UK population, we …
1999
There is now considerable evidence that endometriosis is likely to be a complex multifactorial trait, such as diabetes or asthma, in which a number of susceptibility loci interact with each other, and the environment, to produce the disease…
1999
review
1998
other
1998
observational
1997
OBJECTIVE: To describe the occurrence of endometriosis in monozygotic twins. DESIGN: Postal questionnaire plus confirmation of disease status. SETTING: Twins were recruited via the American Endometriosis Association and the National Endom…
other
1997
The autopsy records between 1980 and 1995 of 399 female rhesus monkeys (Macaca mulatta) at the Wisconsin Regional Primate Research Center were examined. Spontaneous endometriosis was found in 81 (20%) of the animals. The mean (+/- SD) ages …
1997
other
1997
other
1996
observational
1996
We investigated the length of time between the onset of pain symptoms and the surgical diagnosis of endometriosis in women from the UK and the USA. A total of 218 women with surgically confirmed disease, recruited through endometriosis self…