Explanation
(A) Early decelerations are reassuring and do not warrant notification of the physician. (B) Because early decelerations is a reassuring pattern, it would not be necessary to change the client's position. (C) Early decelerations warrant the continuation of close FHR monitoring to distinguish them from more ominous signs.
(D) O2 is not warranted in this situation, but it is warranted in situations involving variable and/or late decelerations.

(A) Oxytocin is prescribed to stimulate uterine contractions. (B) MgSO4is a central nervous system depressant prescribed to prevent and control convulsions related to preeclampsia. (C) Ampicillin is a penicillin derivative with no known teratogenic effects. This is the safest antibiotic during pregnancy. (D) Tetracycline stains teeth yellow and is not as safe as ampicillin during pregnancy.