--- title: "7 weeks pregnant: baby the size of a blueberry | PERIOD." description: "7 weeks pregnant: your baby is the size of a blueberry, about 1 cm and 1 g. What happens this week for your baby and in your body." url: https://myperiod.app/en/pregnancy/7-weeks-pregnant lang: en publisher: PERIOD. B.V., Amsterdam --- [Pregnancy week by week](https://myperiod.app/en/pregnancy) # 7 weeks pregnant At 7 weeks you are in month 2 and the first trimester. Your baby is about the size of a blueberry: 1 cm and 1 g. As big as blueberry Length 1 cm Weight 1 g Month 2 Trimester first trimester To go 231 days Averages. Measured crown to rump up to week 20, crown to heel after that. Healthy babies vary a lot. ## Your baby this week The head is growing fast and the face is taking shape. ## Your body Needing to pee more often comes with the territory; your blood volume is rising. ## Good to know It is called morning sickness, but for most women it shows up at all sorts of times. ## To sort around these weeks - Take a pregnancy test and book a first appointment with a midwife or your GP. - Work out your due date with the calculator so you know where you are. [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 7 weeks pregnant? 7 weeks pregnant falls in month 2 of your pregnancy. ### Which trimester is 7 weeks? At 7 weeks you are in the first trimester. ### How big is a baby at 7 weeks? On average 1 cm, about the size of a blueberry. Healthy babies vary a lot. ### How long to go at 7 weeks? Until your due date (40 weeks): 33 weeks, 231 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.