You are 2 days off 5 months, people count 4 weeks to every month but there isn't as comment above counts but if you count properly and off a pregnancy wheel what I said is correct :)
First trimester:
Month one: weeks 1-4
Month two: weeks 5-8
Month three: weeks 9-13
Second trimester:
Month four: weeks 14-17
Month five: weeks 18-21
Month six: weeks 22-26
Third trimester:
Month seven: weeks 27-30
Month eight: weeks 31-35
Month nine: weeks 36-40