The goal of this observational study is to explore the association between phenol exposure and pregnancy outcome after embryo transfer. The main question it aims to answer \[is/are\]: Whether exposure to phenols is associated with adverse pregnancy outcomes in pregnant women undergoing assisted reproductive technology?
First of all, paper questionnaires were used in this study, including general information questionnaire, health effect questionnaire, health survey summary form, and dietary assessment questionnaire. Secondly, obtain the relevant information of the medical record system, including: assisted reproduction protocol, IVF examination results, B-ultrasound examination results, laboratory test indicators, pregnancy outcome information and newborn information. Finally, urine samples were detected using a high performance liquid chromatography mass spectrometer.
Study Type
OBSERVATIONAL
Enrollment
1,200
Reproductive center，tongji hospital，huazhong university of science and technology
Wuhan, Hubei, China
Rate of clinical pregnancy patients
Rate of biochemical pregnancy, clinical pregnancy and post-natal patients
Time frame: From the date of randomization until the termination of pregnancy
Rate of the health newborn
gestational age/preterm birth, physical health at birth, the incidence of systemic abnormalities or diseases, and other health outcomes
Time frame: From the date of randomization until the termination of pregnancy
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