Indicators of impending uterine rupture during labour include all of the following except.

The earliest sign of rupture of uterus is fetal hea decelerations which is a screening for detecting fetal hypoxia or fetal distress. On vaginal examination there is bleeding through is. In cases where bladder is involved ,hematuria may be present. But passage of meconium is not an indicator of impending rupture of uterus. (TB of OBG Sheila 2nd edition pg 411)