Now you would be in your 10th week of pregnancy which means you’re in your 3rd month of pregnancy and your baby has officially graduated from an embryo to a fetus. You might start to show at 10 weeks pregnant even though if there aren't signs of a bump, that also fine. And you might see visible veins.and increased vaginally discharge.

Your baby is growing rapidly when you are 10 weeks pregnant. They are nearly 1½ inches long and the size of a prune.

Baby's bones form

Your baby is really getting into the human shape now. Bones and cartilage are forming and small indentations on the legs are developing into knees and ankles. The arms complete with elbows, it can flex already.

You baby's arms are also taking shop and they are getting stronger.

Baby's first teeth

The tooth bus fairy males an appearance this week, heralding the arrival of your baby's little choppers, which are forming below the gums. But those pearly whites won't break through the gums till your baby's close to 6 months old.

Other systems are on the go. Your baby's stomach is producing digestive juices, the kidneys are producing larger quantities of urine and if its a boy, your little on is already producing testosterone.

Some tips to look out yu would have mood swings during this time, you need to avoid triggering smells, add in some mangoes to your plate, understand that fatigue is normal.

Source: https://www.whattoexpect.com/pregnancy/week-by-week/week-10.aspx