Known as Natural Cycle or soft IVF, it centres on single - embryo IVF treatment involving minimal drug stimulation.

以自然周期或软ivf为例，它以单胚胎ivf为中心，而且只需最小的药物刺激。

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How much do I pay if my treatment cycle is canceled before egg recovery? Before embryo transfer?

如果取卵前取消了治疗周期要花多少钱？如果胚胎移植前取消治疗周期又要花多少钱呢？

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The implantation rates of frozen-thawed embryo transfer cycle was significantly lower than fresh embryo transfer cycle(13.28% Vs. 27.62% respectively P<0.01).

与同期新鲜胚胎移植周期的种植率27.62%比较，冻融胚胎移植的种植率13.28%显著降低（P<0.01）。

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Women under the age of 37 should have only one embryo transferred in their first cycle.

BBC: IVF should be given sooner and to older women, says NICE

Professor Ledger argues that if only one embryo was transferred per IVF cycle, and hence avoid higher neonatal care costs, it would free up more money for more couples to have free IVF.

BBC: NEWS | Health | IVF multiple births 'drain NHS'

Ninety one of the single-embryo women became pregnant after their first cycle of treatment.

BBC: IVF 'should use one embryo'