1. Factors useful in predicting the success of oocyte donation: a 3-year retrospective analysis 
Nicole Noyes, M.D., Brittany Starr Hampton, M.D., Alan Berkeley, M.D., Frederick Licciardi, M.D., James Grifo, M.D., Ph.D., Lewis Krey, Ph.D. 
Fertility and Sterility 
Volume 76, Issue 1, Pages (July 2001)
DOI: /S (01)

2. Figure 1
Recipient synchronization protocol. R = recipient, D = donor, US = ultrasound of endometrium, E2 = estradiol, P = progesterone.
Noyes. Predicting success in oocyte donation. Fertil Steril 2001.
Fertility and Sterility  , 92-97DOI: ( /S (01) )

3. Figure 2
Pregnancy outcome of recipient cycles exhibiting low day 9 E2 levels. aEight of 9 achieved day 12 E2 > 100 pg/mL. bP = not significant (determined by the χ2 test).
Noyes. Predicting success in oocyte donation. Fertil Steril 2001.
Fertility and Sterility  , 92-97DOI: ( /S (01) )