Translation guide
A female reproductive cell that has been cryopreserved for future use, typically in the context of fertility treatment or research.
frozen ovum (medical)
frozen egg (general)
More descriptive, natural in conversation.
The standard medical term for a frozen egg cell used in fertility treatments.
How a non-specialist might refer to a frozen ovum in everyday conversation or news.
Referring to the process or the eggs themselves when discussing egg freezing as a choice.
Refers to the procedure of egg freezing, but can also imply the frozen eggs themselves. Very common in media.
More women are choosing egg freezing.
卵子 (ranshi) specifically means 'ovum' or 'egg cell' in a biological/medical sense. 卵 (tamago/ran) can mean 'egg' in general (including chicken eggs). In medical contexts, 卵子 is preferred. In casual speech, 卵 is often used but may be ambiguous.
The storage period for frozen eggs can be extended.
Treatments using frozen eggs are increasing.