nidation

1.Ectopic Pregnancy is the nidation and development of the amphicytula out of the cavitas uteri .

（孕卵在子宫腔以外的部位、发育，宫外孕。

2.Embryo nidation is a complex and sequencing physiological processes.

胚胎是复杂的序化的生。

3.Abstract: Embryo nidation is a complex and sequencing physiological processes.

胚胎是复杂的序化的生。