Editing Tocolytic (section)

==Contraindications to tocolytics==
In addition to drug-specific contraindications,<ref name=":4">{{Cite journal|last1=Rundell|first1=Kristen|last2=Panchal|first2=Bethany|date=2017|title=Preterm Labor: Prevention and Management|url=https://www.aafp.org/afp/2017/0315/p366.html|journal=American Family Physician|volume=95|issue=6|pages=366–372|pmid=28318214|issn=0002-838X}}</ref> several general factors may contraindicate delaying childbirth with the use of tocolytic medications.
* Fetus is older than 34 weeks gestation<ref name="wong">{{cite book | last1=Wong | first1=D. L. | last2=Perry | first2=S. E. | last3=Hockenberry | first3=M. J. | last4=Lowdermilk | first4=D. L. | title=Maternal Child Nursing Care | publisher=Mosby | year=2002 | isbn=978-0-323-01399-4 | url=https://books.google.com/books?id=n_qBQgAACAAJ}}</ref>
* Fetus weighs less than 2.5&nbsp;kg, or has [[intrauterine growth restriction]] (IUGR)<ref name=wong/> or [[placental insufficiency]]<ref name="wong" />
* Lethal congenital or chromosomal abnormalities<ref name=wong/>
* [[Cervical dilation]] is greater than 4 centimeters<ref name=wong/>
* [[Chorioamnionitis]] or intrauterine infection is present<ref name=wong/>
* Pregnant woman has severe [[pregnancy-induced hypertension]],<ref name=wong/> severe [[eclampsia]]<ref name=wong/>/[[preeclampsia]],<ref name=":4" /> active [[vaginal bleeding]],<ref name=wong/> [[placental abruption]], a [[cardiac disease]],<ref name=wong/> or another condition which indicates that the pregnancy should not continue.<ref name=wong/>
* Maternal hemodynamic instability with bleeding<ref name=":4" />
* [[Intrauterine fetal demise]], lethal fetal anomaly, or non-reassuring fetal status<ref name=":4" />