Placenta previa deliveries Pregnancy and Childbirth Placenta praevia
Conditions
Interventions
This is a single-center, retrospective, and hospital-based case-control study with one-year follow-up to investigate maternal and neonatal outcomes in pregnant women with placenta previa. For each wom
Sponsors
Southern Medical University Affiliated Maternal & Child Health Hospital of Foshan
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: Pregnant women diagnosed with placenta previa after delivery. Placenta previa is diagnosed by experienced ultrasonologists based on a transabdominal ultrasonic finding of placental tissue covering the internal cervical os before delivery, and further confirmed by obstetricians at delivery.
Exclusion criteria
Exclusion criteria: Before 28 completed gestational weeks
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Number of participants with postpartum hemorrhage during cesarean section or vaginal delivery. The estimated blood loss is measured 24 hours after delivery by summing the amount of blood absorbed by medical gauze and the blood in the suction unit. If the total amount of blood loss in excess of 1000 ml during cesarean section or 500 ml during vaginal delivery, it is defined as post-partum hemorrhage. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Birth weight of the newborn is directly measured by nurses using electronic scales after delivery 2. Apgar score at 1 and 5 minutes is directly made by nurses according to Apgar scale at 1 and 5 minutes after delivery, respectively 3. Gestational age at delivery is determined on the basis of the last menstrual period and confirmed by an ultrasound scan taken between the 14th and 20th week 4. Number of participants with postpartum hysterectomy. If the uterus is removed after delivery due to childbirth, it is defined as postpartum hysterectomy | — |
Countries
China
Outcome results
None listed