COVID-19 Vaccines International Pregnancy Exposure Registry
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This page only displays public information reproduced from the official ClinicalTrials.gov record NCT04705116. It adds no medical advice, opinions, or eligibility judgments. The official record remains the source of truth for eligibility criteria, enrollment, and contact information.
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Official title
COVID-19 Vaccines International Pregnancy Exposure Registry (C-VIPER)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The objective of the COVID-19 Vaccines International Pregnancy Exposure Registry (C-VIPER) is to evaluate obstetric, neonatal, and infant outcomes among women vaccinated during pregnancy with a COVID-19 vaccine. Specifically, the C-VIPER will estimate the risk of obstetric outcomes (spontaneous abortion, antenatal bleeding, gestational diabetes, gestational hypertension, intrauterine growth restriction, postpartum hemorrhage, fetal distress, uterine rupture, placenta previa, chorioamnionitis, Caesarean delivery, COVID-19), neonatal outcomes (major congenital malformations, low birth weight, neonatal death, neonatal encephalopathy, neonatal infections, neonatal acute kidney injury, preterm birth, respiratory distress in the newborn, small for gestational age, stillbirth, COVID-19), and infant outcomes (developmental milestones \[motor, cognitive, language, social-emotional, and mental health skills\], height, weight, failure to thrive, medical conditions during the first 12 months of life, COVID-19) among pregnant women exposed to single (homologous) or mixed (heterologous) COVID-19 vaccine brand series from 30 days prior to the first day of the last menstrual period to end of pregnancy and their offspring relative to a matched reference group who received no COVID-19 vaccines during pregnancy.
Study identification
- NCT ID
- NCT04705116
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 1,184 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 50 Years
- Sex
- Female
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 1, 2021 (Actual)
- Primary completion
- Apr 26, 2026 (Actual)
- Completion
- Apr 26, 2026 (Actual)
- Last update posted
- Jul 17, 2026
2021 – 2026
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pregistry | Los Angeles | California | 90045 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04705116, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 17, 2026 · Synced Nov 15, 2026
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