【ChiCTR1900025772】A case records based study for investigation of the effects of daily meteorological perturbation on pregnancy outcome: Follow-up of a cohort of young women undergoing IVF treatment
ChiCTR1900025772
尚未开始
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2019-09-07
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輔助生殖
A case records based study for investigation of the effects of daily meteorological perturbation on pregnancy outcome: Follow-up of a cohort of young women undergoing IVF treatment
The effects of daily meteorological perturbation on pregnancy outcome: Follow-up of a cohort of young women undergoing IVF treatment
In order to investigate the effect behind meteorological perturbation in IVF treatment, we conducted this cohort study with controlled age, controlled ovarian stimulation protocol, and matched daily meteorological records.
连续入组
回顾性研究
N/A
N/A
Not Available
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1020
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2019-09-15
2019-09-30
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The eligibility criteria for patients and reasons are listed below: 1) Patients were under 35 years old for eliminating the impact of advanced age on fertility; 2) Patients underwent a long protocol of ovarian stimulation cycle. The relatively long duration from drug administration to embryo transfer allowed the effect of meteorological variations to be revealed in the patient; 3) Patients underwent fresh embryo transfer: only the stimulation followed by fresh embryo transfer can present the constant influence of meteorological variations.；
请登录查看The dates of gonadotropin administration (CYCL), oocyte retrieval (OR), embryo transfer (ER) were carefully examined. Patients with missing/wrong CYCL, OR, ER records or pregnancy outcomes will be excluded.；
请登录查看香港中文大學威爾斯親王醫院婦產科學系輔助生殖技術部
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