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Analysis of Rh Phenotypic Characteristics in RhD-negative Pregnant Women and Their Impact on Neonatal Outcomes

Analysis of Rh Phenotypic Characteristics in RhD-negative Pregnant Women and Their Impact on Neonatal Outcomes

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128081
Enrollment
Unknown
Registered
2026-07-14
Start date
2025-03-01
Completion date
Unknown
Last updated
2026-07-20

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

Conditions

hemolytic disease of the newborn (HDN)

Interventions

Low-risk Rh-HDFN group:none
High-risk Rh-HDFN group:none

Sponsors

Chongqing Health Center for Women and Children
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1. Blood type requirement: The pregnant women must be RhD-negative. 2. Time range: Pregnant women who registered for prenatal check-ups and delivered at Women and Children's Hospital Affiliated to Chongqing Medical University from January 2015 to December 2021. 3. Study type: Retrospective inclusion of RhD-negative pregnant women who meet the above criteria.

Exclusion criteria

Exclusion criteria: Intervention treatment: Pregnant women who have received anti-D immunoglobulin preventive treatment. Data integrity: Pregnant women with missing or incomplete clinical data.

Design outcomes

Primary

MeasureTime frame
Incidence of Rh-HDFN;—

Secondary

MeasureTime frame
incidence of hyperbilirubinemia;incidence of anemia;gestational age;birth weight;—

Countries

China

Contacts

Public ContactLi Shenglan

Chongqing Health Center for Women and Children

1406641429@qq.com+86 23 6035 4575

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Jul 23, 2026