---
title: "38 weeks pregnant: baby the size of a small watermelon"
description: "38 weeks pregnant: your baby is the size of a small watermelon, about 49.8 cm and 3.2 kg. What happens this week for your baby and in your body."
url: https://myperiod.app/en/pregnancy/38-weeks-pregnant
lang: en
publisher: PERIOD. B.V., Amsterdam
---

[Pregnancy week by week](https://myperiod.app/en/pregnancy)

# 38 weeks pregnant

At 38 weeks you are in month 9 and the third trimester. Your baby is about the size of a small watermelon: 49.8 cm and 3.2 kg.

As big as

small watermelon

Length

49.8 cm

Weight

3.2 kg

Month

9

Trimester

third trimester

To go

14 days

Averages. Measured crown to rump up to week 20, crown to heel after that. Healthy babies vary a lot.

## Your baby this week

Everything is in place; the grip is surprisingly strong.

## Your body

Losing the mucus plug can happen; it says little about when things start.

## Good to know

For many women the baby drops into the pelvis; breathing gets easier, weeing more frequent.

## To sort around these weeks

- You are close to or at your due date: rest where you can.
- After 41 weeks your midwife talks you through the next steps.

[Work out your due date](https://myperiod.app/en/tools/due-date-calculator)[How many weeks pregnant am I?](https://myperiod.app/en/tools/pregnancy-week-calculator)

## Follow your pregnancy week by week

In PERIOD. baby you see every week how big your baby is, what is happening and what you can arrange. No ads, and we never sell your data.

4.8 ★★★★★ on the App Store

100,000+ women

## Frequently asked questions

### How many months is 38 weeks pregnant?

38 weeks pregnant falls in month 9 of your pregnancy.

### Which trimester is 38 weeks?

At 38 weeks you are in the third trimester.

### How big is a baby at 38 weeks?

On average 49.8 cm, about the size of a small watermelon. Healthy babies vary a lot.

### How long to go at 38 weeks?

Until your due date (40 weeks): 2 weeks, 14 days.

## [All weeks](https://myperiod.app/en/pregnancy)

- [4](https://myperiod.app/en/pregnancy/4-weeks-pregnant)
- [5](https://myperiod.app/en/pregnancy/5-weeks-pregnant)
- [6](https://myperiod.app/en/pregnancy/6-weeks-pregnant)
- [7](https://myperiod.app/en/pregnancy/7-weeks-pregnant)
- [8](https://myperiod.app/en/pregnancy/8-weeks-pregnant)
- [9](https://myperiod.app/en/pregnancy/9-weeks-pregnant)
- [10](https://myperiod.app/en/pregnancy/10-weeks-pregnant)
- [11](https://myperiod.app/en/pregnancy/11-weeks-pregnant)
- [12](https://myperiod.app/en/pregnancy/12-weeks-pregnant)
- [13](https://myperiod.app/en/pregnancy/13-weeks-pregnant)
- [14](https://myperiod.app/en/pregnancy/14-weeks-pregnant)
- [15](https://myperiod.app/en/pregnancy/15-weeks-pregnant)
- [16](https://myperiod.app/en/pregnancy/16-weeks-pregnant)
- [17](https://myperiod.app/en/pregnancy/17-weeks-pregnant)
- [18](https://myperiod.app/en/pregnancy/18-weeks-pregnant)
- [19](https://myperiod.app/en/pregnancy/19-weeks-pregnant)
- [20](https://myperiod.app/en/pregnancy/20-weeks-pregnant)
- [21](https://myperiod.app/en/pregnancy/21-weeks-pregnant)
- [22](https://myperiod.app/en/pregnancy/22-weeks-pregnant)
- [23](https://myperiod.app/en/pregnancy/23-weeks-pregnant)
- [24](https://myperiod.app/en/pregnancy/24-weeks-pregnant)
- [25](https://myperiod.app/en/pregnancy/25-weeks-pregnant)
- [26](https://myperiod.app/en/pregnancy/26-weeks-pregnant)
- [27](https://myperiod.app/en/pregnancy/27-weeks-pregnant)
- [28](https://myperiod.app/en/pregnancy/28-weeks-pregnant)
- [29](https://myperiod.app/en/pregnancy/29-weeks-pregnant)
- [30](https://myperiod.app/en/pregnancy/30-weeks-pregnant)
- [31](https://myperiod.app/en/pregnancy/31-weeks-pregnant)
- [32](https://myperiod.app/en/pregnancy/32-weeks-pregnant)
- [33](https://myperiod.app/en/pregnancy/33-weeks-pregnant)
- [34](https://myperiod.app/en/pregnancy/34-weeks-pregnant)
- [35](https://myperiod.app/en/pregnancy/35-weeks-pregnant)
- [36](https://myperiod.app/en/pregnancy/36-weeks-pregnant)
- [37](https://myperiod.app/en/pregnancy/37-weeks-pregnant)
- [38](https://myperiod.app/en/pregnancy/38-weeks-pregnant)
- [39](https://myperiod.app/en/pregnancy/39-weeks-pregnant)
- [40](https://myperiod.app/en/pregnancy/40-weeks-pregnant)
- [41](https://myperiod.app/en/pregnancy/41-weeks-pregnant)
- [42](https://myperiod.app/en/pregnancy/42-weeks-pregnant)

General information, not medical advice. If in doubt, call your midwife or GP. Sources: WHO fetal growth charts (Kiserud et al., PLoS Med 2017); Robinson and Fleming 1975; NHS, Your pregnancy and baby guide.
