You typically start feeling your baby move, known as "quickening," between 16 and 25 weeks of pregnancy. For first-time pregnancies, movements might be felt closer to 20-25 weeks, while women who have been pregnant before may feel movements as early as 13-16 weeks. These early movements usually feel like fluttering or gentle twitches, often described as butterflies or bubbles in the belly. The feeling tends to be more noticeable when at rest, such as sitting or lying down quietly. If no movement is felt by 24 weeks, it is advised to consult a midwife or doctor. As the pregnancy progresses, the baby's movements become more distinct and frequent.