Agents Used in Obstetrical Care Chapter 38 Agents Used in Obstetrical Care

Agents Used in Obstetrical Care This presentation focuses on the following drug agents: Uterine stimulants Uterine relaxants Lactation suppressants Abortion inducers Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

Oxytocin Stimulates the uterus and the mammary glands Affects the smooth muscle of the uterus to promote childbirth Increases frequency and force of uterine contractions Forces milk into mammary sinuses for the to infant Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

Uterine Relaxants Prevent premature labor Ritodrine HCl A beta-adrenergic stimulant Relaxes the uterus Terbutaline sulfate (Brethine) Stimulates beta2 receptors Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

Lactation Suppressants Bromocriptine mesylate (Parlodel) A nonhormonal ergot derivative Estrogen is no longer used. High risk for thromboemboli and cancer of the reproductive tract Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.

Abortion Inducers First trimester Second trimester Suction curettage Intra-amniotic injection of hypertonic (20%) NaCl Oxytocin Prostaglandins Most useful Copyright 2007 Thomson Delmar Learning, a division of Thomson Learning Inc. All rights reserved.