Sentence examples for before the first trimester from inspiring English sources
Medicines prescribed or dispensed before the first trimester were not included in the first trimester definition of the primary care or prescription databases.
It is possible that they were dispensed before the first trimester, and were therefore not present in the prescription database as a first-trimester prescription, but that they were indeed used in the first trimester and therefore recorded in the CA registry.
We divided the exposure window in five periods (12 7 months before pregnancy, 6 0 months before pregnancy, the first trimester, the second trimester and the third trimester) to examine whether a potential effect of preconceptional and prenatal stress following maternal bereavement on ED differed across these periods.
A past history of headache was present in 15 of the 25 reported cases (Table 4), including migraine in 13 patients (52%), at least four of them with aura, one associated with hormonal contraceptives and another after headaches that had begun 8 years before during the first trimester of pregnancy.
McNemar's test was used to compare the prevalence of antidepressant use before versus during the first trimester of pregnancy and before versus after pregnancy.
Nine pregnancies ended before the end of the first trimester (before day 98): eight of these were TOPFAs and one was a spontaneous abortion.
We examined whether maternal opioid treatment between 1 month before pregnancy and the first trimester was associated with birth defects.
As many as 75percentt of 200,000 Medicaid recipients "discontinued treatment before or during the first trimester of pregnancy given persistent concern about the safety of antidepressants during pregnancy," they note.
dAny smoking during the month before pregnancy through the first trimester.
Folic acid (FA) supplementation before and during the first trimester can reduce the risk of occurrence of preterm delivery (PTD).
The hospital ethics committee of each centre approved the research protocol, and all pregnant women gave written informed consent before inclusion at the first trimester of pregnancy.
