![Easy. 40 weeks from the date
of her last period.
Easy. 40 weeks from the date
of her last period.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Easy. 40 weeks from the date
of her last PERIOD.
The Big Bang Theory Season 11, Episode 16
![Period.
Period.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Period.
Breaking Bad Season 2, Episode 7
![We based this park
on Japan's Edo period
We based this park
on Japan's Edo period](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
We based this park
on Japan's Edo PERIOD
Westworld Season 2, Episode 5
![...requires public hearings
and a 60-day comment period.
...requires public hearings
and a 60-day comment period.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
...requires public hearings
and a 60-day comment PERIOD.
The Big Bang Theory Season 4, Episode 21
![Well, he used a period
instead of a question mark,
Well, he used a period
instead of a question mark,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Well, he used a PERIOD
instead of a question mark,
The Big Bang Theory Season 9, Episode 16