Endometriosis-Related Infertility: The Role of the Assisted Reproductive Technologies

Table 2

Impact of prolonged GnRHa prior to IVF in endometriosis patients.

1st author (reference)	Year	GnRHa duration	Patients/cycles	Clinical pregnancy (%)			Design
				No GnRHa	Luteal GnRHa	Prolonged GnRHa
Remorgida [24]	1990	6 months	60/60	33	32	56	Prospective randomized
Dicker [25]	1990	6 months	64/64	5^*	—	33	Prospective randomized
Nakamura [26]	1992	126 ± 57 days	32/32	—	27^*	67	Retrospective
Marcus [27]	1994	2–7 months	84/181	—	11	35	“Semirandomized”
Chedid [28]	1995	3 months	145/171	23^*	39	46	Retrospective
Surrey [23]	2002	3 months	51/51	—	53.8^*	80	Prospective randomized
Rickes [29]	2002	6 months	47/82	—	47	75	Postoperative
			Stage I/II		50	56	Prospective randomized
			Stage III/IV		40^*	82
Van der Houwen [31]	2014	3–6 months	113/113	Fresh	22.2	25	Retrospective
			Fresh + cryopreserved		22.2	35.3

versus prolonged GnRHa.