Few studies have investigated the association hetween hody mass index and fecundability,
that is, the ability to conceive in a menstrual cycle, among fertile women with normal …

Purpose The aim of this study was to evaluate the association between menstrual cycle
characteristics in early life and adulthood and fecundability. Methods Pregnancy Study …

This multicentre study has produced a database of 7017 menstrual cycles contributed by
881 women. It provides improved knowledge on length and location of the “fertile …

The authors examined the association between menstrual characteristics and time to
pregnancy among 2,653 Danish women enrolled in a prospective cohort study (2007 …

Fecundability–the monthly probability of conception–incorporates both physiological and
behavioural elements that vary across a woman's reproductive life span. How much of the …

Background There is variability between women for days of menstrual bleeding, cycle
lengths, follicular phase lengths, and luteal phase lengths, related to age and parity …

OBJECTIVE: To quantify the natural decline in fecundability by age and assess the effect of
selected volitional factors. DESIGN: Prospective cohort study of women attempting …

BACKGROUND: Most analyses of age-related changes in fertility cannot separate effects
due to reduced frequency of sexual intercourse from effects directly related to ageing …

Global improvements in health, the prolongation of the average life span [1], increasing
involvement of women in the workforce, and a trend toward ''planned reproductive …

Background There is a well-documented decline in fertility treatment success with increasing
female age; however, there are few preconception cohort studies that have examined …