1. Early pregnancy loss in in vitro fertilization (IVF) is a positive predictor of subsequent IVF success 
G.Wright Bates, M.D., Elizabeth S Ginsburg, M.D. 
Fertility and Sterility 
Volume 77, Issue 2, Pages (February 2002)
DOI: /S (01)

2. FIGURE 1
Ongoing clinical pregnancy rates in the next cycle attempted after a negative pregnancy test (□∗), a biochemical pregnancy loss (▨), or a clinical spontaneous abortion (■) in the previous attempt.
Bates.Pregnancy loss predicts IVF success.Fertil Steril 2002.
Fertility and Sterility  , DOI: ( /S (01) )

3. FIGURE 2
Ongoing clinical pregnancy rate in the next cycle after a negative pregnancy test (□∗), a biochemical pregnancy loss (▨), or a clinical spontaneous abortion (■) in the previous attempt.
Bates. Pregnancy loss predicts IVF success. Fertil Steril 2002.
Fertility and Sterility  , DOI: ( /S (01) )

4. FIGURE 3
Cumulative pregnancy rate after a negative pregnancy test (□∗), a biochemical pregnancy loss (▨), or a clinical spontaneous abortion (■) in the first IVF attempt.
Bates.Pregnancy loss predicts IVF success. Fertil Steril 2002.
Fertility and Sterility  , DOI: ( /S (01) )