Fifteen year follow-up of embryos cryopreserved in cancer patients for fertility preservation

被引:36
作者
Barcroft, J. [1 ]
Dayoub, N. [1 ]
Thong, K. J. [1 ]
机构
[1] Royal Infirm Edinburgh NHS Trust, Edinburgh Assisted Concept Programme, Edinburgh EH16 4SA, Midlothian, Scotland
关键词
IVF; Cancer; Embryo; Fertility Preservation; Cryopreservation; BREAST-CANCER; ADJUVANT CHEMOTHERAPY; GNRH ANTAGONIST; WOMEN; LETROZOLE; STIMULATION; PREGNANCY; SURVIVAL; AGONIST; STORAGE;
D O I
10.1007/s10815-013-0024-z
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Purpose Determine the outcome of embryo cryopreservation in female oncology patients Methods The outcomes of IVF/ICSI cycles in oncology patients over 15 years in a University Teaching Hospital. Results Forty-two oncology patients (mean 31.9 +/- 3.9 years) underwent embryo cryopreservation treatment (n=33 IVF, n=6 ICSI). Controlled ovarian stimulation with GnRH antagonist protocol (n=34; 81 %) yielded fewer oocytes than GnRH agonist protocol (n=8; 19 %) (9.4 +/- 6.3 vs. 15.3 +/- 8.9; p=0.04) respectively. There was no significant difference in mean (+/- SD) duration of ovarian stimulation (11.6 +/- 2.6 vs. 10.6 +/- 2.7), median gonadotrophin dose (1950 vs. 1670 IU), median day 5-6 oestradiol level (1124 vs. 1129 pmol/l) or embryo yield (6.2 +/- 4.1 vs. 8.8 +/- 4.3; p=0.07) between GnRH antagonist and agonist treatment cycles respectively. Thirty-nine patients cryopreserved embryos and three had their cycle cancelled. During this study period, of those who cryopreserved embryos, 5 patients underwent 9 frozen-thaw cycles (13 %), resulting in 2 live births (1 twin, 1 singleton, live birth rate 22 %). Six patients died (15 %), 3 conceived naturally (8 %) and 2 couples separated (5 %). Fourteen patients discarded their embryos (36 %). Twenty-two patients' (56 %) have embryos remaining in storage. Conclusions This study demonstrates that embryo cryopreservation in female oncology patients gives a satisfactory live birth rate. However, there are concerns regarding costeffectiveness, resulting from high disposal/non-usage of embryos, and further studies are required.
引用
收藏
页码:1407 / 1413
页数:7
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