The latent phase is the period from the onset of labor which generally starts from the onset of contractions to the dilatation of 3-4 cm within 7-8 hours. a prolonged latent phase occurs when the latent phase is more than 20 hours in nulliparas and 14 hours in multiparas. In this case, we report a 27-year-old woman with the initial complaint is discharge from the genitals since 18 hours before entering the hospital which was not accompanied by pain, contraction and blood mixed with mucus. The patient claimed to be pregnant aterm and still felt fetal movement. The patient had a history of cesarean section surgery once in his first child due to complications in the form of severe oligohydramnios. Physical examination revealed compos mentis consciousness, BP 110/80 mmHg, pulse 98 x/minute, RR 20 x/minute, temperature 36.5°C and SpO2 99%. The general status of the patient was within normal. On obstetry external examination, uterine fundal height was 32 cm. On examination, Leopold 1 felt soft round with the impression of the buttocks, Leopold 2 felt elongated to the left of the mother with left back impression, Leopold 3 felt hard round with a bouncy head impression, Leopold 4 obtained a divergent result that the fetal head had entered the upper pelvic door. HIS 4x/10'/20". FHR 180x/minute. On internal examination, it was found that the portio with soft consistency, 25% flattening, 3 cm opening, membranes (-), the lowest part of the fetus is the head, Hodge II head descent, Vertex indication. the VBAC score was 4 (58%). The patient in this case was diagnosed with G2P1A0 Pregnant 38 weeks Inpartu Stage 1 Prolonged Latent Phase With PROM 18 Hours with failed VBAC and history of SC 1 time Single Fetus Live Cephalic.