Most mothers feel fetal hiccups from about 24–28 weeks — a rhythmic, repetitive pulsing that is clearly different from kicks or rolls. They are almost always normal and a sign of healthy diaphragm development.
Why Babies Hiccup in the Womb
Fetal hiccups occur when the diaphragm contracts and the glottis (vocal cords) closes suddenly — exactly like an adult hiccup. In the womb, this happens as the baby practises breathing movements and swallows amniotic fluid. Unlike adult hiccups, fetal hiccups are silent — there is no 'hic' sound without air.
What They Feel Like
| Type of Movement | How It Feels |
|---|---|
| Hiccups | Rhythmic, repetitive, same spot, regular 1–2 second intervals, lasts 2–15 mins |
| Kicks | Variable location, variable strength, not rhythmic, brief |
| Rolls | Slower, broader sensation across the abdomen |
| Braxton Hicks | Tightening of the whole uterus, not a single movement |
How Often Is Normal
There is no defined normal frequency. Some babies hiccup multiple times a day; others rarely do. This is constitutional — not related to health or distress. Hiccups tend to be most frequent between 24 and 32 weeks and may become less frequent as the baby grows larger and has less room.
When to Mention It
In rare cases, very sudden, prolonged, and different-from-usual rhythmic movements after 28 weeks — particularly if the baby then becomes less active afterward — are worth mentioning to your doctor or midwife. These could very occasionally represent cord compression rather than hiccups. But for the vast majority of mothers, fetal hiccups are a normal part of pregnancy.
Reminder
If you're uncertain, use kick counting: at least 10 movements of any type in 2 hours is the benchmark. Hiccups count as movements.
Do Babies Hiccup After Birth?
Yes — and often more than adults. The same reflex arc responsible for fetal hiccups continues after birth. Newborn hiccups are typically triggered by feeding and resolve on their own. They are not a sign of reflux or distress in most cases.