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. 2012 Dec 13;10:107. doi: 10.1186/1477-7827-10-107

Table 1.

Characteristics of the studies included in this review

Study Author, year Timing of randomisation ART COH protocols Total Initiation of P Dose & route of administration No. Early P cessation group No. Continuation group
Kohls, 2012
 Clinical pregnancy
 IVF/ICSI
 GnRH-anta
 220
 OR
 vaginal P 200mg bid
 110
 week 5
 110
 week 8
Kyrou, 2011
 Positive hCG test
 IVF/ICSI
 GnRH-anta
 200
 ET
 vaginal P 200mg tid
 100
 the 16th day post-ET
 100
 week 7
Goudge, 2010
 COH
 IVF
 GnRH-a/GnRH-anta
 101
 ET/OR
 IM P50mg qd
 53
 the 11th day post-ET
 48
 week 6
Aboulghar, 2008
 Clinical pregnancy
 ICSI
 GnRH-a
 257
 Unstated
 IM or vaginal P
 125
 week 6-7
 132
 week 9-10
Andersen, 2002
 Positive hCG test
 IVF/ICSI
 GnRH-a
 303
 ET
 vaginal P 200mg tid
 150
 the 14th day post-ET
 153
 week 7
Prietl, 1992 Positive hCG test IVF CC/hMG/GnRH-a 120 Unstated PC500mg/EV10mg tiw 65 the 12th day post-ET 55 week 12