# Restless Legs in Pregnancy in the second trimester

Source: https://www.pregnancypowerhour.com/trimester-conditions/restless-legs-in-second-trimester
Last updated: 2026-07-15

> As your body continues to nurture your growing baby in the second trimester, restless legs might emerge for the first time, often linked to shifts in iron and magnesium levels.

## Why it shows up this trimester

During the second trimester, your body is undergoing significant changes to support your growing baby. Your blood volume is expanding, and there's an increased demand for essential nutrients like iron and magnesium. These shifts can sometimes contribute to the onset or worsening of restless legs. Iron, for instance, plays a role in dopamine production, a neurotransmitter linked to muscle control, and a dip in iron stores can sometimes trigger these sensations. Magnesium is crucial for muscle relaxation, and as your baby draws on your reserves, you might find your levels are lower, leading to that uncomfortable urge to move.

## What it tends to feel like now

If you're experiencing restless legs in the second trimester, it often feels like an irresistible urge to move your legs, usually accompanied by uncomfortable sensations like crawling, tingling, aching, or itching deep within the muscles. These feelings typically start or worsen when you're resting, especially in the evenings or at night, making it challenging to settle down and find calm, restorative sleep. You might find yourself constantly shifting positions or needing to get up and walk around to find temporary relief.

## What helps in this window

Finding gentle ways to support your body can make a real difference. One option might be to incorporate regular, gentle movement into your day, like a short walk or some prenatal yoga, which can help circulation. Creating a calming evening routine can also be supportive; consider a warm bath with Epsom salts (rich in magnesium) or a gentle leg massage before bed. Focusing on a balanced diet rich in iron (like leafy greens, lean proteins, or fortified cereals) and magnesium (nuts, seeds, whole grains) is also a practical step. Hydration is always key, so sipping water throughout the day is a simple, effective habit. Remember, these are supportive measures, and your provider is your best resource for your specific situation.

## Working with your care team

If restless legs are impacting your comfort and sleep, it's a good idea to bring it up with your OB or midwife. They can help explore potential underlying causes. For example, they might suggest checking your iron levels through a simple blood test. If a deficiency is identified, they can guide you on appropriate supplementation. Discussing any new or worsening symptoms with your care team ensures you're making informed decisions about your well-being and your baby's health. They can offer personalized insights and help you navigate this experience with clarity and confidence.