Vitamin K deficiency can cause serious risks to pregnant women and their babies that may lead to hemorrhage, especially in newborns. We aim to evaluate the efficacy of vitamin k in decreasing blood loss during and after elective cesarean section (CS), and to assess the neonatal beneficial effects of prophylactic maternal vitamin k administration.

Inclusion Criteria:

1. Age from 20-40 years.
2. Gestational age between 36-39 weeks.
3. Patients who will undergo an elective cesarean section.
4. Full-term alive baby.
5. Non-scarred uterus.
6. No obstetric or medical complications.
7. No bleeding tendency.

Exclusion Criteria:

1. Patients at less than 36 gestational weeks.
2. Patient refusal.
3. Patients who have thrombo-embolic complications.
4. Patients with obstetric and medical complications.
5. Patients with anomalous fetuses.
6. Patients on anti-coagulant drugs, long-term antibiotics, and anti-epileptic drugs.
7. Patients with obstetric cholestasis.
8. Patients with a previous history of preterm labor.
9. Patients with multiple pregnancies.
10. Gestational hypertension or preeclampsia.
11. Blood clotting disorders.
12. Placental abnormalities such as, Placenta accreta, Placenta increta, and Placenta percreta.
13. Placental abruption and Placenta previa.