The 15 weeks pregnant baby inside the tummy shows activity, sleep, urination, swallowing and so on. 15 weeks pregnant baby’s rapid growth and development need to absorb increased nutrients, pregnant women must do a good job of nutrient supplementation. 15 weeks baby inside the stomach has the following actions. 1. Activity: 15 weeks baby limbs can be freely stretched in the uterine cavity, such as stretching, kicking, clenching fists, rolling over and so on. 2. Sleep: In addition to activity, 15-week-old babies can also go into a normal sleep state, which may differ somewhat from the mother’s sleep time. 3. Urination: 15 weeks baby can urinate in the uterine cavity, the urine discharged forms amniotic fluid, which plays a role in protecting the fetus. 4. Swallowing: 15-week-old babies will also show voluntary swallowing, breathing and other activities, and will show hiccup response. Clinical if 15 weeks baby found abnormalities, it is recommended to seek medical advice from a doctor, so as not to miss the condition.