Sentences with phrase «fresh oocytes»

Donated fresh oocytes traditionally have been used immediately, creating embryos for transfer into the uterus, with extra embryos being cryopreserved for later use.

Compared to using fresh oocytes (eggs) for in vitro fertilization, use of cryopreserved (frozen) donor oocytes in 2013 was associated with lower live birth rates, according to a study in the August 11 issue of JAMA.

Initiated cycles were canceled in 12 percent of fresh oocyte cycles vs 8.5 percent of cryopreserved oocyte cycles.

Not exact matches

With advances in oocyte cryopreservation technology, fertility rates using frozen eggs are comparable to rates with fresh eggs.

Study leader Andrew French says the key to the team's success was utilizing fresh, mature oocytes from females of proven fertility.

Per embryo transfer, the live birth rates were 56 percent with fresh vs 47 percent with cryopreserved oocytes.

Per started recipient cycle, the live birth rates were 50 percent with fresh vs 43 percent with cryopreserved oocytes.

«Thus, having fewer mature oocytes can mean fewer embryos to choose from for fresh transfer or future transfer following cryopreservation, particularly among women who respond poorly to ovarian stimulation.»