The Relationship Between Pre-pregnancy BMI and Weight Gain and Outcomes in Women With Twin Pregnancy

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Total Enrollment

250 participants

Study Classification

OBSERVATIONAL

Study Start Date

2016-01-01

Study Completion Date

2021-06-30

Brief Summary

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Prepregnancy body mass index (BMI) and gestational weight gain (GWG) have Significant effects on the risk of pregnancy outcomes such as gestational hypertension disease and gestational diabetes mellitus in singleton pregnancies. This paper is to investigate the relationship between pre-pregnancy body mass index (BMI) and weight gain during pregnancy and pregnancy outcomes in women with twin pregnancy.

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Detailed Description

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Conditions

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Twin Pregnancy; Body Mass Index; Weight Gain; Pregnancy Outcome

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

PROSPECTIVE

Study Groups

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underweight woman with twin pregnancy

underweight (BMI \< 18.5 kg/m2)

collect date about all participants

Intervention Type OTHER

a standardized and structured questionnaire that included information on age, residence, education, pregnancy history, disease history, height, and conception method, after obtaining the consent of all participants.

normal weight woman with twin pregnancy

normal (BMI: 18.5-23.9 kg/m2)

collect date about all participants

Intervention Type OTHER

a standardized and structured questionnaire that included information on age, residence, education, pregnancy history, disease history, height, and conception method, after obtaining the consent of all participants.

overweight and obese woman with twin pregnancy

overweight and obese (BMI ≥24 kg/m2)

collect date about all participants

Intervention Type OTHER

a standardized and structured questionnaire that included information on age, residence, education, pregnancy history, disease history, height, and conception method, after obtaining the consent of all participants.

Interventions

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collect date about all participants

a standardized and structured questionnaire that included information on age, residence, education, pregnancy history, disease history, height, and conception method, after obtaining the consent of all participants.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Age 18 \~ 41 years old;
* The gestational age of the first diagnosed twin pregnancy is ≤10weeks;
* Double chorionic double amniotic sac pregnancy;

Exclusion Criteria

* with heart disease, liver disease, kidney disease, complications (chronic hypertension, hyperthyroidism, diabetes and others ), genetic diseases, psychological and mental diseases;
* with history of habitual abortion and cervical insufficiency;

Minimum Eligible Age

18 Years

Maximum Eligible Age

40 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes