Study period | ||||
Enrolment 19–23 weeks | Allocation 20–24 weeks | Postallocation 36–37 weeks | Close-out 28 days after delivery | |
Timepoint | T1 | T2 | T3 | |
Eligibility screen | X | |||
Informed consent | X | |||
Allocation 20–24 weeks | X | |||
Interventions | ||||
Concealed | X | |||
Revealed | X | |||
Assessments | ||||
Sociodemographic data | X | |||
Medical history | X | |||
Prenatal evaluation (ultrasound biometries) | X | X | ||
Doppler assessment | X | |||
Amniotic fluid assessment | X | |||
Perinatal outcome | X |