5 Months Pregnant — Weeks 18 to 21
Halfway: the anatomy scan happens now, and the first flutters usually become unmistakable kicks. In weeks that is 18 through 21, or days 126 to 153 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 |
|---|---|---|---|
| 18 | a bell pepper | about 5.7 g | 2nd |
| 19 | a mango | about 7 g | 2nd |
| 20 | a banana | about 8.4 g | 2nd |
| 21 | a carrot | about 10 g | 2nd |
Appointments in this stretch
| Window | Appointment | What it checks |
|---|---|---|
| 18–22 wks | Anatomy scan | Detailed look at baby's organs, limbs and growth — often the sex reveal. |
Frequently asked
How many weeks is 5 months pregnant?
Weeks 18 to 21 — day 126 to day 153 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 5?
The 2nd trimester throughout.
How big is the baby in month 5?
About a bell pepper at the start of the month and a carrot by the end. Weight goes from about 5.7 g to about 10 g across those weeks.