AVANT

Adverse obstetrics outcomes in vanishing twin pregnancies - Adverse obstetrics outcomes in vanishing twin pregnancies

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON58162

Enrollment

550

Registered

2025-11-25

Start date

2025-11-25

Completion date

Unknown

Last updated

2025-12-01

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

Conditions

fetal demise, hypertensive disorders of pregnancy, premature birth, gestational diabetes, miscarriage, congenital abnormalities, fetal growth restriction Stillbirth, Pregnancy-related high blood pressure, Preterm birth, Pregnancy diabetes, Pregnancy loss, Birth defects, Poor growth of the baby

Interventions

None listed

Eligibility

Inclusion criteria

Inclusion criteria: >16 years of age, diagnosed with a vanishing twin in the first trimester, signed an informed consent form for the TRIDENT-2 study stating that their data could be used for future research 

Exclusion criteria

Exclusion criteria: Selective reduction, ongoing twin or multiple pregnancy, no informed consent

Design outcomes

Primary

Measure	Time frame
To assess the risk for adverse obstetric outcomes in vanishing twin pregnancies	—

Secondary

Measure	Time frame
To describe the risk per type of vanishing twin	—

Countries

Netherlands

Contacts

Public ContactRJH Galjaard

Erasmus MC, Universitair Medisch Centrum Rotterdam

r.galjaard@erasmusmc.nl0031107044399

Outcome results