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Spontaneous conception after a successful attempt at in vitro fertilization/intracytoplasmic sperm injection
B Hennelly1, R F Harrison, J Kelly
1Human Assisted Reproduction Ireland, Rotunda Hospital, Dublin, Ireland.
Objective:
To determine the incidence of spontaneous pregnancy in women who were not actively undergoing therapy after a successful attempt at IVF/intracytoplasmic sperm injection and to characterize its pattern of occurrence.
Design:
Retrospective postal questionnaire.
Setting:
An assisted reproduction unit at a university-based teaching hospital.
Patient(S):
Five hundred thirteen replies were received from 530 questionnaires mailed.
Intervention(S):
None.
Main Outcome Measure(S):
Spontaneous pregnancy. Women who did and did not conceive spontaneously after successful IVF treatment were compared in terms of their age, duration of infertility, previous reproductive history, and indication for treatment at the time of assisted reproduction.
Result(S):
The rate of spontaneous conception among the survey respondents was 20.7%. Younger women (
Conclusion(S):
The chances of spontaneous conception after successful ART therapy are significant in some groups of patients. This has implications for the practice of assisted reproduction and the obstetric care of patients who conceive with treatment. Contraceptive advice may need to be provided to couples who undergo IVF/intracytoplasmic sperm injection.