Flashbacks.
Flashback
The strange sensation that you have completed a question when, if fact, you have not!
9 months is 39.13 weeks.
Sixteen weeks is four months.
acid (lsd), and possibly some other psychedelic drugs. this phenomenon could be a flashback, or more seriously Hallucinogen Persisting Perception Disorder
If you are 15 weeks pregnant, you are on your 3rd month and 3 weeks.
12 months = 1 year = 52 weeks 60 months = 5 years = 260 weeks 3 months = 52 / 4 = 13 weeks 63 months = 260 + 13 = 273 weeks (approximately) (as months are not exactly 4 weeks)
There are 13 weeks in a 3-month period. You are 3 months and 3 weeks pregnant.
15 weeks = about 4 months.
13 weeks is 3 months, four more weeks will be 4 months.
12 weeks is 3 months. One month is 4 weeks.
52 months = 226.102314 weeks