Table 2 Antenatal interventions

• Chorion villus sampling vs amniocentesis [5]

• Cervical cerclage [6, 7]

• Breast shells and Hoffman’s exercises [8]

• Formal fetal movement counting [9]

• Placental grading by ultrasonography [10]

• Anti-convulsants for eclampsia [4]

• Low dose aspirin [11, 12]

• Fish-oil supplementation [13]

• ‘Know your Midwife’ [14]

• Social support [15]