A prospective, randomized, cross-over comparison of two methods of artificial insemination by donor on the incidence of conception: intracervical insemination by straw versus cervical cap.
Hum Reprod
; 12(9): 1945-8, 1997 Sep.
Article
en En
| MEDLINE
| ID: mdl-9363712
In a prospective, randomized study of insemination with donor semen, intracervical insemination by straw was compared with insemination using a cervical cap with an intracervical reservoir. A total of 91 patients completed 486 treatment cycles. There were no significant differences in age, parity, indication for insemination by donor, or method of cycle monitoring between women who became pregnant and those who did not conceive with either insemination method. In 236 standard intracervical insemination cycles, 14 patients became pregnant (5.9% per cycle), whereas 38 patients conceived in 250 cervical cap cycles (15.2% per cycle). Both the crude pregnancy rates and the cumulative pregnancy rates calculated by the Kaplan-Meier life-table method were significantly different (chi(2)-test, P < 0.001, and log-rank test, P < 0.005 respectively). Pregnancy rates in artificial insemination with cryopreserved donor semen may be improved by the use of a cervical cap when compared to cervical insemination by straw. The use of the cervical cap may prolong the exposure of the spermatozoa to the cervical mucus and prevent the backflow of semen into the vagina.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Cuello del Útero
/
Inseminación Artificial Heteróloga
Tipo de estudio:
Clinical_trials
/
Incidence_studies
/
Observational_studies
Límite:
Female
/
Humans
/
Male
/
Pregnancy
Idioma:
En
Revista:
Hum Reprod
Asunto de la revista:
MEDICINA REPRODUTIVA
Año:
1997
Tipo del documento:
Article
País de afiliación:
Países Bajos
Pais de publicación:
Reino Unido