. 2019 Dec 3;37(1):181–204. doi: 10.1007/s10815-019-01638-z

Table 7.

Studies’ general characteristics as obtained following data extraction regarding DuoStim and ConStim respectively

Studies	Type of study	Infertility etiology	Number of patients
Studies	Type of study	Infertility etiology	DuoStim	ConStim
Cardoso et al., 2017 [18]	Retrospective	Mixed population^a	13	13
Liu et al. 2017 [20]	Retrospective	Mixed population^a	116	116
Martazanova et al. 2018 [17]	Prospective	Mixed population^a	76	72
Jin et al. 2018 [19]	Retrospective	POR^b	76	132
Zhang et al. 2018 [22]	Retrospective	POR^b	61	79

DuoStim double ovarian stimulation, ConStim conventional ovarian stimulation

^aMixed population including patients with a prognosis of poor ovarian response

^bPOR population including patients diagnosed with POR according to the Bologna criteria