A nurse is caring for a client who is at 35 weeks of gestation and has moderate abruptio placenta. Which of the following actions should the nurse take?

A. Assessing cervical dilation is contraindicated due to risk of worsening bleeding with abruptio placenta. B. Vaginal swabs for ferning test are used to assess rupture of membranes, not abruptio placenta. C. Administering oxytocin can increase uterine contractions and worsen placental separation, so it is contraindicated. D. Monitoring fetal heart rate tracings is essential to assess fetal well-being in cases of abruptio placenta.