Thirty-one weeks is seven and one quarter months. It is not seven and three-quarters months because 31 weeks X 7 days in a week / 30 days in a month = about 7.25.
Assuming the month you are talking about is May 2, 2009, thirty seven weeks (nine months and one week) ago was around August 2008.
May 21st 2010: The approximate current age of the foetus is thirty-one weeks.
12 Months
Assuming the month you are talking about is May 2, 2009, thirty seven weeks (nine months and one week) ago was around August 2008.
4 weeks to one month, so one and a half months.
There are five months in a year which have five weeks and these months are January, March, August, October and December. This is due to having thirty-one days instead of the normal thirty day month.
12 weeks is 3 months. One month is 4 weeks.
52 weeks in 12 months (one year).
roughly 78 weeks in 18 months, as there are 52 weeks in one year.
There are 26 weeks in 6 month.
There are approximately 64 weeks in 16 months. Sixteen months is one year and 4 months.
Five weeks is one month and one week.