|Author||Trial design||Supportive care||Control Group||Supportive care||Outcomes|
|Stray-Pederson 1984||Non randomized controlled trial||N = 37||N = 24||
Advice: rest, avoid heavy lifting, travelling, refrain from sexual intercourse.|
Bed rest for 2 weeks at the gestational age they had previously miscarried.
Reported as live births at term. Supportive care 32(86%)|
Routine antenatal care 8 (33%) (p < 0.001)
|Liddell 1991||Randomized controlled trial||N = 42 (44 pregnancies)||N = 9||
A weekly visit (5-13 gestational weeks).|
Consistent medical personal, weekly medical monitoring- (an ultrasound, serum HCG and progesterone tests), weekly stress reduction session with a physiotherapist, relaxation tape for home use, access to visit the early pregnancy clinic for reassurance.
|Reported as live births at term Supportive care 38 (86%) Routine antenatal care 3 (33%) (P = 0.005)|
|Clifford 1997||Non randomized controlled trial||N = 160||N = 41||Weekly ultrasound until 12 weeks at a specialized early pregnancy clinic.||Reported as miscarriage rates 42 (26%) supportive care group 21 women (51%) routine antenatal care (P = 0.002).|
|Brigham 1999||Prospective longitudinal observational study||N = 226||N/A||Supportive care protocol that included a fortnightly ultrasound for fetal viability until 12 weeks gestation.||Reported as pregnancy rates. 75% beyond 24 weeks|