Maternal age at menarche and atopy among offspring at the age of 31 years
نویسندگان
چکیده
منابع مشابه
Short papers Maternal age at menarche and atopy among oVspring at the age of 31 years
Background—Influences of female hormones on the occurrence of allergic disorders have been suggested. Age at menarche may be a marker of endogenous oestrogen levels. Data from a Finnish birth cohort followed to adulthood were analysed to determine whether there is any association between maternal age at menarche and the occurrence of atopy among oVspring. Methods—The study was conducted in 5188...
متن کاملNo association between age at menarche and sex of offspring.
Sir, We read with interest the article by Fukuda et al. (2011). The title ‘The sex ratio of offspring is associated with the mothers’ age at menarche’ suggests a direct connection between age at menarche and sex of offspring. We consider this interpretation a stretch of the presented data and want to comment on some issues in their study. Additionally, results from our substantially larger Dani...
متن کاملMaternal Plasma Phosphatidylcholine Fatty Acids and Atopy and Wheeze in the Offspring at Age of 6 Years
Variation in exposure to polyunsaturated fatty acids (PUFAs) might influence the development of atopy, asthma, and wheeze. This study aimed to determine whether differences in PUFA concentrations in maternal plasma phosphatidylcholine are associated with the risk of childhood wheeze or atopy. For 865 term-born children, we measured phosphatidylcholine fatty acid composition in maternal plasma c...
متن کاملAge at Menarche and its Related Factors among School Girls, in Zanjan, Iran
BackgroundThere are differences in the age at menarche in different countries and it seems that in recent decades gradually the age of puberty is declining. The aim of the present study was to determine the age at menarche and its related factors in school girls in Zanjan city, Iran.Materials and MethodsThis cross-sectional study was conducted on 1,500 healthy school girls between 6-17 years ol...
متن کاملSize at birth predicts age at menarche.
OBJECTIVE This study examines the relationship of intrauterine growth, measured by size and maturity at birth, to age at menarche, while also considering a wide range of other factors that may affect maturation. The research is motivated by the current debate about the importance of the prenatal environment as a determinant of later disease risk. METHODS Data were collected during the Cebu Lo...
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ژورنال
عنوان ژورنال: Thorax
سال: 2000
ISSN: 0040-6376
DOI: 10.1136/thorax.55.8.691