Spontaneous conception after a successful attempt at in vitro fertilization/intracytoplasmic sperm injection, Fertil Steril, vol.73, pp.774-782, 2000. ,
Spontaneous pregnancy after successful ICSI treatment: evaluation of risk factors in 899 families in Germany, Reprod Biomed Online, vol.17, pp.403-412, 2008. ,
When and why do subfertile couples discontinue their fertility care? A longitudinal cohort study in a secondary care subfertility population, Hum Reprod, vol.24, pp.3127-3162, 2009. ,
Waiting for in vitro fertilization treatment: spontaneous and ART live births, Hum Fertil (Camb), vol.6, pp.116-137, 2003. ,
Reasons for dropping out from a waiting list for in vitro fertilization, Fertil Steril, vol.94, pp.1713-1719, 2009. ,
Spontaneous conception after the birth of infants conceived through in vitro fertilization treatment, Fertil Steril, vol.71, pp.35-44, 1999. ,
Prospective longitudinal cohort study on cumulative 5-year delivery and adoption rates among 1338 couples initiating infertility treatment, Hum Reprod, vol.24, pp.991-1000, 2009. ,
Spontaneous pregnancies in couples who discontinued intracytoplasmic sperm injection treatment: a 5-year follow-up study, Fertil Steril, vol.78, pp.550-556, 2002. ,
Likelihood of natural conception following treatment by IVF, J Assist Reprod Genet, vol.22, pp.401-406, 2005. ,
Long-term follow-up of women and men after unsuccessful IVF, Reprod Biomed Online, vol.11, pp.458-63, 2005. ,
Long-term outcome of parenthood project during in vitro fertilization and after discontinuation of unsuccessful in vitro fertilization, Fertil Steril, vol.92, pp.149-56, 2009. ,
Cumulative delivery rates after intracytoplasmic sperm injection: 5 year follow-up of 498 patients, Hum Reprod, vol.14, pp.2651-2656, 1999. ,
The relative contribution of IVF to the total ongoing pregnancy rate in a subfertile cohort, Hum Reprod, vol.25, pp.118-144, 2010. ,
Pregnancy chances on an IVF/ICSI waiting list: a national prospective cohort study, Hum Reprod, vol.23, pp.1627-1659, 2008. ,
Stress relief after infertility treatment--spontaneous conception, adoption and psychological counselling, Eur J Obstet Gynecol Reprod Biol, vol.110, pp.190-195, 2003. ,
,
, J Gynecol Obstet Biol Reprod, vol.24, pp.811-816, 1995.
Unexplained infertility: overall ongoing pregnancy rate and mode of conception, Hum Reprod, vol.26, pp.360-368, 2011. ,