3 Months Pregnant — Weeks 9 to 13
The end of the first trimester brings the dating scan and the NT screening, and for many people the nausea starts to lift. In weeks that is 9 through 13, or days 63 to 97 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 |
|---|---|---|---|
| 9 | a cherry | about 0.35 g | 1st |
| 10 | a strawberry | about 0.9 g | 1st |
| 11 | a fig | about 1.2 g | 1st |
| 12 | a lime | about 1.5 g | 1st |
| 13 | a lemon | about 1.8 g | 2nd |
Appointments in this stretch
| Window | Appointment | What it checks |
|---|---|---|
| 11–13 wks | NT scan (combined test) | Checks nuchal translucency and screens for chromosomal conditions. |
| 15–20 wks | Quad / anomaly blood screen | Optional blood test for screening risk factors. |
Frequently asked
How many weeks is 3 months pregnant?
Weeks 9 to 13 — day 63 to day 97 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 3?
It straddles the boundary: 1st trimester at week 9, 2nd trimester by week 13.
How big is the baby in month 3?
About a cherry at the start of the month and a lemon by the end. Weight goes from about 0.35 g to about 1.8 g across those weeks.