A FOR less than one suggests a longer time to pregnancy
, while a FOR greater than one suggests a shorter time to pregnancy
In 36%-42% of female RA patients, diagnosed before family completion, the time to pregnancy
exceeds 12 months, whereas in the general population, this is only the case in 10%-17% of couples," reported Jenny Brouwer, MD, and her associates at Erasmus University Medical Center, Rotterdam, the Netherlands (Arthritis Care Res.
During the year-long Women With Epilepsy: Pregnancy Outcomes and Deliveries (WEPOD) study, 70% of women with epilepsy and 67% of healthy control women became pregnant, and there was no significant difference in the mean time to pregnancy
between those with and without epilepsy (6 months vs.
Therefore, we explored possible adverse effects that could be exerted through lengthened follicular phase or shortened luteal phase, increased time to pregnancy
, or increased early pregnancy loss.
In comparison with COH/IUI, IVF shortens time to pregnancy
and reduces the risk of multiple pregnancies.
The findings, independent of body mass index, "are the first to demonstrate that select serum lipids are associated with reduced couple fecundity as measured by a longer time to pregnancy
," reported Enrique Schisterman, Ph.
Multivitamin users compared with nonusers were more likely to be >25 years of age, have a pre pregnancy BMI <25, nulliparous and to report a mid pregnancy diet that was classified as health conscious and a >12 month waiting time to pregnancy
The complete study can be found in "DDT Exposure, Work in Agriculture, and Time to Pregnancy
Among Farmworkers in California" published in the December 2008 issue of the Journal of Occupational and Environmental Medicine.
The American researchers used data from the Danish National Birth Cohort to assess whether levels of PFOS and PFOA in pregnant women's plasma were associated with a longer time to pregnancy
The multicenter randomized controlled clinical trial measured the efficacy and time to pregnancy
of an accelerated treatment strategy for women 21 to 39 years old who had unexplained infertility.
For couples trying to conceive, certain negative lifestyle factors are associated with an increased time to pregnancy
and an elevated risk of not conceiving in the first year.
The average time to pregnancy
for women who had stopped using a condom was just over three and a half months.