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Poster Session 1

Category: Clinical Obstetrics

Poster Session 1

(320) Twins After-Hours: Does Timing Tip the Scale on Outcomes?

Wednesday, February 11, 2026

10:30 AM - 12:00 PM

Submitting Author(s)

Or Eliner, MD (he/him/his)

Senior Physician
Department of Obstetrics and Gynecology, Meir Medical Center
Ra'anana, HaMerkaz, Israel

Coauthor(s)

Gil Shechter Maor, MD (she/her/hers)

Head of Labor and delivery unit
Meir Medical Center
Kfar Saba, HaMerkaz, Israel
Or Touval, MD

Department of Obstetrics and Gynecology, Meir Medical Center
Kfar Saba, HaMerkaz, Israel

Presenting Author(s)

TB

Tal Biron Shental, MD

Chairperson of OBGYN
Meir Medical Center
Meir Medical Center, HaMerkaz, Israel

Objective:
To evaluate whether weekend deliveries are associated with increased maternal or neonatal complications in planned vaginal twin births.

Study Design:
This retrospective study examined all DCDA twin gestations born between 2014 to 2020 at a single tertiary center. Deliveries were stratified by weekday and weekend deliveries. Maternal characteristics, labor parameters, and neonatal outcomes were compared. The primary outcome was a composite adverse neonatal outcome (including hypoglycemia, sepsis, respiratory distress, transfusion, cerebral hemorrhage, HIE, or convulsions). Secondary outcomes included urgent cesarean delivery of the second twin following vaginal delivery of the first one, rate of cesarean deliveries, operative vaginal delivery, intrapartum fever, and NICU admission. Multivariable logistic regression was performed to adjust for confounders.

Results:
A total of 696 twin pregnancies were included, with 174 in the weekend group and 522 in the weekday group. Demographics and baseline obstetric characteristics were similar between groups (Table 1). Rates of urgent CD for the second twin (3.7% vs 4.7%, p=0.810), operative delivery, intrapartum fever, and NICU admission did not differ significantly between weekday and weekend births. Composite adverse neonatal outcome was not significantly different (10.3% weekday vs 8.6% weekend, p=0.608). Multivariable regression showed that weekend delivery was not associated with increased odds of composite neonatal morbidity (aOR 0.76; 95% CI 0.41–1.41, p=0.387), nor with increased risk of urgent CD for the second twin (aOR 0.70; 95% CI 0.23–2.13, p=0.529).

Conclusion:
Weekend delivery was not associated with increased maternal or neonatal complications in planned vaginal twin deliveries. These findings suggest that, in well-organized obstetric systems, quality of care remains consistent throughout the week. This challenges the generalizability of the "weekend effect" on twin labor management and supports the safety of off-hours care.