What's the plural form of in vitro fertilisation? Here's the word you're looking for.
Answer
The noun in vitro fertilisation can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be in vitro fertilisation.
However, in more specific contexts, the plural form can also be in vitro fertilisations e.g. in reference to various types of in vitro fertilisations
or a collection of in vitro fertilisations.
