You are receiving report from the night shift nurse on a laboring client.
She is 39 weeks gestation, cervical exam is 9cm/100%/0, she has an epidural in place for pain management.
ROM occurred 25 hours ago with a moderate amount of clear fluid.
EFM assessment includes baseline 175bpm, minimal variability, no accelerations, no decelerations.
Vital signs: Blood pressure: 118/84 mmHg.
Respiratory Rate: 16/min.
O2 saturation: 99% on R

Choice A rationale

Intraamniotic infection (chorioamnionitis) is suspected due to the combination of prolonged rupture of membranes (25 hours), maternal fever (39.2°C), and fetal tachycardia (baseline of 175 bpm). These are key indicators of infection within the amniotic sac.

Choice B rationale

Pyelonephritis, an infection of the kidneys, is unlikely without the presence of symptoms such as flank pain, dysuria, and significant changes in urinalysis. The primary signs point towards intraamniotic infection.

Choice C rationale

Cholestasis of pregnancy primarily presents with intense itching, especially on the hands and feet, and does not typically involve fever or abnormal fetal heart rates. Thus, it is less likely in this scenario.

Choice D rationale

Placental abruption involves the separation of the placenta from the uterine wall before delivery, often presenting with abdominal pain, vaginal bleeding, and uterine contractions. The absence of these symptoms makes this diagnosis less likely.