Your 9 months Pregnancy You're 11 weeks pregnant Find out how your baby is growing in week 11 of your pregnancy 1 of Ad break How big is your baby? Your baby has grown fast again and is now between 5-6cm from head to bottom – the size of a medium tomato, weighing around 8g (1/3 ounce). Now find out how your baby is growing… How is your baby growing?He’s now able to swallow, yawn and suck! His head is still very large in respect to the rest of his body – it’s about half of his total length. On a scan, all his fingers and toes have separated and can now be counted and his fingernails are starting to appear. His skin is transparent, so his blood vessels show through. Inside his body, his organs are all in place, with a miniature liver, two kidneys and a stomach that’s the size of a grain of rice. By the end of this week, the internal development of his ears is complete. Now find out what’s happening to your body… What’s happening to your body? Around this point your placenta will start to function. It’s dark maroon in colour and has a bumpy surface that’s a bit like the head of a cauliflower. The placenta gives your baby oxygen and essential nutrients, and exchanges your baby’s waste products. Just as you’re feeling exhausted, nauseous and not keen to open your mouth wide, this is the time when it’s vital to take extra good care of your teeth. During pregnancy, you’re more likely to get gum disease as the pregnancy hormones make you more susceptible to plaque and bacteria. This isn’t just bad news for you, but also potentially for your unborn baby as research suggests that mums-to-be with gum disease are more likely to give birth prematurely and to low-weight babies. So make sure you clean and floss your teeth gently twice a day for two minutes. Learn more about what symptoms to expect this week and check out our week by week pregnancy guide... See what happened in week 10 and also what to expect for week 12 of your pregnancy… By Sara Mackenzie Comments Latest on MadeForMums Aldi, Asda, Tesco, Sainsbury's, Morrisons, Boots Baby & Toddler Events - dates and best deals Kiddicare to close after 45 years of trading What are the MadeForMums Toy Awards? Jools Oliver: 'It can be lonely when you're a mum - and that's misunderstood'