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Fecundity in ALS

Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration, 2014
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease with a peak in age of onset between 55 and 75 years.
Orla Hardiman   +4 more
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On the heterogeneity of fecundability

Lifetime Data Analysis, 1996
We propose to use a general mixing distribution in modeling the heterogeneity of the fecundability of couples. We introduce a sequence of parameters called canonical moments, which is in one to one correspondence with the moments, to characterize the mixing distribution.
openaire   +3 more sources

Fecundability of Female Twins

Epidemiology, 1998
Animal studies have shown evidence of prenatal hormonal interaction between unlike sexed fetuses, including reduced fertility among females. We evaluated whether the fecundability of female twins is different from that of singletons and whether it differs according to the sex of the co-twin.
Christensen, Kaare   +6 more
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Fecundity

2008
Copyright (c) 2008 Elsevier B. V.
Bradshaw, C., McMahon, C.
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Malnutrition and Fecundity

Studies in Family Planning, 1980
The current hypothesis that malnutrition impairs fecundity has recently been challenged by a number of investigations that examined the nutrition fecundity link. The controversy is important because of the potential implications for food aid programs for developing countries. If improving nutrition improves increases birth rates this would exacerbate
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Fecundability and husband's age

Biodemography and Social Biology, 1989
The effect of husband's age on the probability of conception is evaluated from World Fertility Survey data in five developing countries: the Ivory Coast, Ghana Kenya, the Sudan, and Syria. Proportional hazards models, which include wife's age, husband's age, marriage duration, union type, and post-partum exposure as covariates, are used to describe the
Noreen Goldman, Mark R. Montgomery
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Fecundity genes in sheep

Animal Reproduction Science, 2004
Since 1980 there has been increasing interest in the identification and utilisation of major genes for prolificacy in sheep. Mutations that increase ovulation rate have been discovered in the BMPR-1B, BMP15 and GDF9 genes, and others are known to exist from the expressed inheritance patterns although the mutations have not yet been located. In the case
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Fecundity in transgender men

JAAPA, 2021
ABSTRACT Premenopausal transgender men who retain internal female reproductive organs, who use exogenous testosterone, and who are sexually active with cisgender men are often capable of conception. This article discusses the potential for fecundity in transgender men, as well as appropriate reproductive care depending on whether the patient ...
openaire   +3 more sources

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