In recent years, concerns have been raised regarding the potentially negative consequences of gamete donation for parent-child relationships. Findings are presented of a study of families with an infant conceived by gamete donation. Fifty donor insemination families and 51 egg donation families were compared with 80 natural conception families on standardized interview and questionnaire measures of the psychological well-being of the parents, the quality of parent-child relationships, and infant temperament. The differences that were identified indicated more positive parent-child relationships among the gamete donation than the natural conception parents, accompanied by greater emotional involvement with the child. Comparisons were also carried out between the donor insemination and the egg donation parents on their experiences of gamete donation. In contrast to the findings of earlier investigations, the donor insemination and egg donation parents appeared to be more open toward disclosing the donor conception to the child. It was concluded that infants conceived by egg or sperm donation did not appear to be at risk for parenting difficulties.
Although there is a reduction in both PR and LBR associated with higher levels of basal FSH, it is clear that in cycling women, high basal FSH is not a contraindication to IVF treatment, and a respectable PR and LBR can be achieved especially in young women. The reduction in PR and LBR is due to reduced reserve rather than poor oocyte quality. Clinics refusing to treat cycling women with elevated basal FSH levels may be denying these women a reasonable, albeit low, chance of achieving a birth with their own genetic material. Clinicians should use basal FSH levels as a guide to advise patients about their chances of achieving a live birth, not to exclude patients with a predicted lower success rate from a treatment programme.
In a retrospective study, the relationship between endometrial thickness and pregnancy rate has been studied in 59 ovum recipient women. Transvaginal ultrasound assessment of endometrial thickness was performed immediately prior to ovum transfer: 19 pregnant recipients had a mean endometrial thickness of 10.24 mm +/- 2.63 SD, 40 nonpregnant recipients had an endometrial thickness of 8.62 mm +/- 3.49 SD (t = 1.805, P = 0.0382). Only two pregnancies occurred in 15 recipients with an endometrial thickness < 7.5 mm, and none when the endometrial thickness was < 5 mm. Our results indicate that endometrial thickness is related to the functional receptivity of the endometrium.
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