Sentence examples for days before conception from inspiring English sources
We defined the exposure window from 30 days before conception to the day of birth and included all antidepressant prescriptions filled from January 1 , 1996to December 31 , 2006
Using the start and end date of the isotretinoin exposure period, the number of days exposed was estimated for the following exposure intervals: 30 days before conception, first 90 days of gestation (first trimester), day 90 179 of gestation (second trimester) and day 180 delivery (third trimester).
But because we know that a young woman's eggs have been impacted by her environment, the best time to begin is 1,000 days before conception.
In another sensitivity analysis, we set the exposure window at 180 days before conception.
Among 85,710 primiparous women, 47,982 (56.0%) redeemed at least one prescription from 30 days before conception until delivery.
We obtained data on all prescriptions for a SSRI redeemed by women in our study cohort from 30 days before conception until the end of each pregnancy.
We examined patterns of drug use over time within four gestational periods: immediate pre-conception (1 30 days before estimated conception), first trimester (gestational week 1 12), second trimester (gestational week 13 28), and third trimester (gestational week 29 to delivery).
For the matched analyses, 75 women in the non-user group were prescribed an antipsychotic medication in the 60 days before the conception date.
We were disappointed to find that so few of the the preconception study visits were conducted close to the time of conception: among 165 women enrolled preconception who became pregnant, only 19%% had a study visit within 30 days before or after conception.
Of 165 women enrolled preconception who became pregnant, 19%% had a study visit within 30 days before or after conception.
Medical conditions associated with use of psychotropics were identified using the International Classification of Diseases, Ninth Revision diagnosis codes in the patient's hospital and outpatient records between 180 days before our estimated conception date and delivery.
