How Many Weeks Does the Baby Start Kicking?

Most pregnant women feel their baby’s first kicks between 16 and 25 weeks of pregnancy, with the typical window falling around 18 to 20 weeks. If this is your first pregnancy, you’re more likely to notice movement closer to 20 weeks. Women who have been pregnant before often recognize the sensation earlier, sometimes as early as 16 weeks, because they know what to look for.

What Early Kicks Actually Feel Like

The first movements don’t feel like kicks at all. Most women describe them as flutters, tiny bubbles, or a sensation easy to mistake for gas. This early movement is called quickening, and it’s subtle enough that many first-time mothers don’t realize what they’re feeling until the movements become stronger and more rhythmic over the following weeks.

By around 21 to 24 weeks, movements shift from those faint flutters to more obvious jabs and rolls. This is also the stage when you may start to see jerky movements from the outside, and partners or family members can sometimes feel them by placing a hand on your belly.

Why Some Women Feel Movement Later

One of the biggest factors is placenta position. If your placenta attaches to the front wall of your uterus (called an anterior placenta), it sits between the baby and your abdominal wall like a cushion. Women with an anterior placenta often don’t feel kicks until after 20 weeks because the baby’s movements simply aren’t strong enough yet to travel through that extra layer of tissue. Your provider can tell you your placenta’s position at your anatomy scan, which typically happens around 18 to 20 weeks.

Whether this is your first or second pregnancy also matters. First-time mothers tend to feel movement a few weeks later than experienced mothers, largely because they haven’t felt the sensation before and may not recognize it right away. Interestingly, maternal body size does not appear to significantly delay perception of fetal movement. Research looking at this question across multiple studies found no clear association between higher body weight and later detection of kicks.

What’s Happening Inside at Each Stage

Your baby actually starts moving long before you can feel it. Spontaneous limb movements begin as early as 7 to 8 weeks of pregnancy, but the baby is so small that these movements don’t register. Between weeks 14 and 20, the part of the brain responsible for coordinating movement (the cerebellum) undergoes rapid development. Key structures that help with motor coordination and timing become identifiable between weeks 16 and 18, and by week 20 the cerebellum’s surrounding architecture is largely in place. This neurological maturation is one reason movements become stronger and more organized in the second half of pregnancy.

By the mid-20s in weeks, your baby has enough muscle bulk and neurological wiring to produce the unmistakable thumps, rolls, and hiccups that define the third trimester experience. Many women notice their baby is most active after meals, in the evening, or when they lie down.

When to Start Counting Kicks

Formal kick counting is recommended starting around 28 weeks, at the beginning of the third trimester. The most widely used method is straightforward: pick a time each day when your baby is usually active, then count movements until you reach 10. Most babies hit that number well within two hours. If you consistently count fewer than 10 movements in a two-hour window, that’s worth a call to your provider.

Before 28 weeks, movement patterns are irregular enough that counting isn’t particularly useful. You may feel several kicks one day and almost nothing the next, and that’s normal. But once you’re in the third trimester and your baby has established a more predictable routine, a noticeable change in that routine is the thing to pay attention to. The goal isn’t to hit an exact number every single time. It’s to become familiar with your baby’s normal activity level so you can recognize when something feels different.

A General Timeline

  • 7 to 8 weeks: Baby begins moving, but movements are far too small to feel.
  • 16 weeks: Earliest point some experienced mothers notice flutters.
  • 18 to 20 weeks: Most common window for first-time detection of movement.
  • 21 to 24 weeks: Movements become stronger, sometimes visible from outside.
  • 28 weeks onward: Kicks are consistent enough to begin daily counting.

If you’re past 24 weeks and haven’t felt any movement at all, it’s reasonable to mention this at your next prenatal visit. In most cases, an anterior placenta or slightly later development explains the delay, but your provider can confirm everything looks normal with a quick check.