9 Months Pregnant — Weeks 36 to 40
The final month: weekly checks, a due date that is a midpoint rather than a deadline, and full-term from week 37. In weeks that is 36 through 40, or days 252 to 286 of the 280-day count. The table below gives every week in the range with its fruit comparison and weight, so you can see exactly where the growth happens.
Week by week
| Week | Size | Weight | Trimester |
|---|---|---|---|
| 36 | a papaya | about 32.8 g | 3rd |
| 37 | a bunch of Swiss chard | about 34.6 g | 3rd |
| 38 | a bunch of leeks | about 36.4 g | 3rd |
| 39 | a pumpkin | about 38.2 g | 3rd |
| 40 | a watermelon | about 39.8 g | 3rd |
Appointments in this stretch
| Window | Appointment | What it checks |
|---|---|---|
| 37–40 wks | Weekly checkups | Position checks, growth checks and the birth plan in earnest. |
Frequently asked
How many weeks is 9 months pregnant?
Weeks 36 to 40 — day 252 to day 286 of the 280-day count. Months are a convention rather than a medical unit: four weeks makes ten "months", which is why a 40-week pregnancy is described as nine months.
What trimester is month 9?
The 3rd trimester throughout.
How big is the baby in month 9?
About a papaya at the start of the month and a watermelon by the end. Weight goes from about 32.8 g to about 39.8 g across those weeks.