In this task, find the most appropriate number to replace the blank (indicated with _ ) and express it in words.

[EX Q]: Uncontrolled diabetes can increase risk by up to _ times.
[EX A]: four

[EX Q]: Domestic violence occurs in one in _ families in Australia.
[EX A]: four

[EX Q]: Guinea pigs are pregnant less than _ months.
[EX A]:
three