Do not use three-dimensional ultrasound scans to determine chorionicity. Do not do September 2011 Unclassified
Referrals to the enhanced team should not be made routinely for women with twin and triplet pregnancies but should be based on each woman s needs. Do not do September 2011 Unclassified
Do not use second trimester serum screening for Down s syndrome in triplet pregnancies. Do not do September 2011 Unclassified
Do not monitor for feto-fetal transfusion syndrome in the first trimester. Do not do September 2011 Unclassified
Do not use abdominal palpation or symphysis fundal height measurements to predict intrauterine growth restriction in twin or triplet pregnancies. Do not do September 2011 Unclassified
Do not use umbilical artery Doppler ultrasound to monitor for intrauterine growth restriction or birthweight differences in twin or triplet pregnancies. Do not do September 2011 Unclassified
Do not use fetal fibronectin testing alone to predict the risk of spontaneous preterm birth in twin or triplet pregnancies. Do not do September 2011 Unclassified
Do not use home uterine activity monitoring to predict the risk of spontaneous preterm birth in twin or triplet pregnancies. Do not do September 2011 Unclassified
Do not use cervical length (with or without fetal fibronectin) routinely to predict the risk of spontaneous preterm birth in twin or triplet pregnancies Do not do September 2011 Unclassified
Do not use the following interventions (alone or in combination) routinely to prevent spontaneous preterm birth in twin or triplet pregnancies: -bed rest at home or in hospital -intramuscular or vaginal progesterone -cervical cerclage -oral tocolytics. Do not do September 2011 Unclassified