I go by this chart.
27 weeks - Third Trimester!
27 week
Second Trimester
PregnancyCalendar
27 weeks, 27 weeks pregnant, bump at 27 weeks
Pregnancy months are counted differently my doctor showed me a chart and the 27 week is the start of the 7 month and the 3rd trimester.
27weeks Collage
27 weeks is what trimester