H Leridon
H Leridon
Background: All conceptions occurring after a treatment for infertility are usually attributed to the treatment. This is only true when only totally sterile couples are treated: subfecund couples may still conceive withou...
R Ecochard
R Ecochard
Background: Heterogeneity in women and men's fecundity is a well-established fact. The selection process of men and women treated for infertility might bias the success rates of reproductive technology. Bias may also aris...
Late childbearing and its impact on adverse pregnancy outcome: stillbirth, preterm delivery and low birth weight [0.03%]
高龄生育及其对不良妊娠结局的影响:死产、早产和低体重出生的风险
P Astolfi,A De Pasquale,L Zonta
P Astolfi
Background: The role of parental ageing on the incidence of adverse pregnancy outcome is based on increased morbidity and obstetric problems during pregnancy and delivery in old mothers, and on the accumulation of spontan...
Trends and geographic inequalities in the prevalence of Down syndrome in Europe, 1980-1999 [0.03%]
欧洲1980~1999年唐氏综合征流行趋势及其地理差异
H Dolk,M Loane,E Garne et al.
H Dolk et al.
Background: EUROCAT is a network of population-based registries for the epidemiologic surveillance of congenital anomalies covering approximately one quarter of births in the European Union. Down syndrome constitutes appr...
C Gourbin
C Gourbin
This review article examines the relationship between late foetal and infant mortality, and age of parents. The highest risks are observed at older maternal ages for foetal mortality and at both extremes of reproductive ages for infant mort...
Controlling for continuous confounding factors: non- and semiparametric approaches [0.03%]
连续混淆因素的控制:非参数和半参数方法
R Slama,A Werwatz
R Slama
Confounding is one of the major types of bias encountered in observational epidemiologic surveys designed to study the relation between an exposure factor and a health event. A common way to remove confounding bias during the statistical an...
Age effect: results from a detailed prospective study on daily fecundability [0.03%]
年龄对生育力的影响:一项每日生育能力的前瞻性研究结果
E R Rizzi,A Rosina,B Colombo
E R Rizzi
Background: Demographers, epidemiologists and clinicians have long been interested in the estimation of age-specific fecundability. With the progressive postponement of age at family formation in Western countries, this t...
Multicenter Study
Revue d'epidemiologie et de sante publique. 2005 Nov:53 Spec No 2:2S57-63. DOI: 2005
Paternal age: are the risks of infecundity and miscarriage higher when the man is aged 40 years or over? [0.03%]
男性年龄与不育和流产的风险有关吗?
E De La Rochebrochard,P Thonneau
E De La Rochebrochard
Background: Maternal age of 35 years or over is a well-known risk factor for human reproduction that has been extensively investigated by demographers and epidemiologists. However, the possibility of a paternal age effect...
The biological aspects of risks of infertility due to age: the female side [0.03%]
影响女性生育力的生物风险因素随着年龄的增长而变化
A Gougeon
A Gougeon
When women reach their forties, and despite strong inter-individual variations, their fecundity, either spontaneous or assisted, is impaired then falls down from the age of 45 onwards. In humans the size of the ovarian reserve is definitely...
J Auger,P Jouannet
J Auger
Although the effect of maternal age on fertility is well known, whether paternal age also affects fertility remains unclear. If there is an effect, the biological causes and consequences, especially for the offspring, are unclear. We presen...