Table 1.

Summary of studies performed in oocyte donation IVF cycles to determine the impact of advanced age on endometrial receptivity.

Study design	Reference studies that suggest AA 1  has an impact on ER2		Reference studies that suggest AA has no impact on ER
	First author, year	Detailed conclusion if any	First author, year
Oocytes donated by healthy oocyte donors which were transferred to recipients of AA	Abdalla et al. (1990)	–	Balmaceda et al. (1994)
	Meldrum (1993)	The impact of age on ER can be reversed	Sauer et al. (1994)
	Weckstein et al. (1993)	The impact of age on ER can be reversed	Legro et al. (1995)
	Yaron et al. (1998)	–	Remohi et al. (1997)
	Moomjy et al. (1999)	Impact of age on IR3 but not on PR4 and miscarriage rate	Paulson et al. (1997)
	Toner et al. (2002)	Impact of age on ER after 40 years of age	Mirkin et al. (2003)
	Soares et al. (2005)	Impact of age on ER after 45 years of age	Wang et al. (2012)
	Yeh et al. (2014)	Impact of age on ER after 45 years of age	–
A single pool of oocytes donated by a young woman and distributed among the recipients with young and AA	Cano et al. (1995)	–	Navot et al. (1994)
	Harris et al. (2002)	AA has a negative impact on the live birth rate but not on PR	Noyes et al. (2001)
Infertile patients undergoing IVF who had shared their oocytes with other recipients of advanced age: standard IVF with own oocytes versus IVF with donated oocytes	Levran et al. (1991)	–	Navot et al. (1991)
	Check et al. (1993a)	–	Check et al. (1994)
	Borini et al. (1996)	–
	Braga et al. (2020)	–	–

¹AA: advanced age.

²ER: endometrial receptivity.

³IR: implantation rate.

⁴PR: pregnancy rate.