The sex of the baby can be identified as early as week 10 based on a new blood test. The blood test can help identify issues with a baby early in the pregnancy.
Week 14 Of Pregnancy

Now in your second trimester, your belly may pop out a bit as your uterus grows above the pelvic bone. You may also start to feel more like yourself: Morning sickness should subside and you'll have more energy once you're 14 weeks pregnant. As your baby grows, its body becomes more proportional and facial features become more defined. Learn more about the changes to expect when you're 4 months pregnant with expert advice from Sharecare.