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To study the association between body mass index (BMI) and the time to pregnancy and related factors based on a prospective pregnancy cohort

To study the association between body mass index (BMI) and the time to pregnancy and related factors based on a prospective pregnancy cohort

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2300068809
Enrollment
Unknown
Registered
2023-03-01
Start date
2023-03-01
Completion date
Unknown
Last updated
2023-05-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

time to pregnancy

Interventions

Healthy pregnant couple group:None

Sponsors

Guangzhou Baiyun District Maternal and Child Health Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
20 Years to No maximum

Inclusion criteria

Inclusion criteria: 1. Couples whose female partner is between 20 and 49 years old and whose male partner is 22 years old or older; 2. Couples who were not pregnant at the time of examination; 3. Couples who reported that they were ready for pregnancy. caiyun

Exclusion criteria

Exclusion criteria: 1.If the couples whose female partner was positive for cytomegalovirus or Toxoplasma gondii IgM antibody, or if one of the couples had syphilis, HIV and other diseases that required treatment to delay the pregnancy plan. 2. Those with missing data on height and weight. 3. Did not agree to cooperate with the investigation or did not agree to participate in this investigator.

Design outcomes

Primary

MeasureTime frame
time to pregnancy;—

Countries

China

Contacts

Public ContactZhang Yuxian

Guangzhou Baiyun District Maternal and Child Health Hospital

344504910@qq.com+86 139 2888 2646

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026