Doctors in Canada hae announced the birth of the first baby to be created from an egg that was matured in a test tube and then frozen and thawed for later use.

• 卵子在试管中分化成熟后被冻存，当需要使用的时候再将其解冻，加拿大的医生宣布世界上首例利用此技术创造的婴儿诞生了。