• Month 1: Weeks 1 to 4
  • Month 2: Weeks 5 to 8
  • Month 3: Weeks 9 to 13

Trimester 2

  • Month 4: Weeks 14 to 17
  • Month 5: Weeks 18 to 22
  • Month 6: Weeks 23 to 27

Trimester 3

  • Month 7: Weeks 28 to 31
  • Month 8: Weeks 32 to 35
  • Month 9: Weeks 36 to 40