Light therapy during pregnancy—is it safe?

Red Light Therapy is generally considered safe during pregnancy when applied correctly: not too hot, not for too long, and never directly on the abdomen. Keep a distance of 30 to 50 centimeters, limit sessions to a maximum of 10 to 15 minutes, and use it 2 to 3 times per week, restricting treatment to areas such as the back, shoulders, or neck. There is still little research, so always consult your doctor or midwife first. Infrared penetrates more deeply and requires extra caution. Below, you can read which complaints it may relieve and when you should exercise extra caution.

Being pregnant is special, but it can also be physically demanding. Back pain, tired muscles, or even a simple cold can feel more severe. Since you would rather avoid medication, interest in natural relief is growing. One option is light therapy. But how exactly does it work, and is it safe during pregnancy?

Please note: This information does not replace medical advice. Always consult your doctor or a qualified professional before using light therapy during pregnancy.

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Common pregnancy symptoms

Various physical complaints can arise during pregnancy. Here are the most common complaints:

• Back and pelvic pain: Caused by the extra weight and changed posture.
• Muscle and joint stiffness: Especially in the lower back, shoulders, and neck.
• Tired or heavy legs: Often caused by reduced circulation or fluid retention.
• Tension headache*: Caused by stress, hormonal fluctuations, or muscle tension
• General fatigue: A consequence of both physical and hormonal changes.

Tension headache is a pressing, constricting pain on both sides of the head, often caused by stress or tense neck and shoulder muscles, without nausea or sensitivity to light and sound.

What exactly is light therapy?

There are different forms of light therapy, of which red light therapy and Infrared therapy are the most common.

• Red Light Therapy: Uses visible red light, which primarily stimulates the skin and superficial tissues. This may help with issues such as skin aging, scars, and superficial inflammation.
• Infrared therapy: Penetrates deeper into the body and also reaches muscles and joints, which is why it is often used for muscle pain, stiffness, or joint complaints. Depending on the nature of the symptoms, one form may be more effective than the other, or a combination of both may be used.

During pregnancy, red light is generally considered the safer option because infrared works deeper in the body. However, it is important to always discuss this with your doctor first before using either form.

How does red light therapy help with the symptoms?

Red Light Therapy can provide relief in several ways:

• Mood & well-being: Stimulates serotonin production, which may help ease mood swings and prevent prenatal depressive symptoms.
• Sleep quality: Regulates melatonin production in the evening, supports the natural sleep-wake rhythm, and promotes better sleep.
• Skin health: Stimulates collagen production and improves skin elasticity. May help reduce stretch marks and pigmentation changes such as melasma.
• Cellular energy & recovery: Activates mitochondria to produce more ATP (energy), which may lead to greater vitality and less fatigue. Speeds up recovery processes in the body.
• Improved circulation & pain relief: Improves circulation, allowing oxygen and nutrients to reach muscles and tissues more quickly, reduces stiffness and pain, and helps muscles relax, especially with back, pelvic, and neck complaints.

• Anti-inflammatory & tissue repair: Can reduce inflammation and support tissue repair

• Natural approach: Relief from symptoms without medication, which can be especially valuable during pregnancy.

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Is it safe during pregnancy?

Although little research has been conducted on red light during pregnancy, one study of 380 pregnant women found no adverse effects for the mother or child. In principle, red light lamps are considered safe when used correctly: not too hot, not for too long, and never directed straight at the abdomen.

During pregnancy, extra precautions are important, and treatment should be limited to areas such as the back, shoulders, or neck. Always consult a doctor, midwife, or gynecologist before use.

Possible effects

Effects on the unborn child: There are differing views on the use of red light during pregnancy. In general, it is recommended to exercise caution and avoid directly and prolonged exposure of the abdomen. The safest approach is to limit use to other parts of the body and always discuss it with a medical professional.

Want to learn more about safety? Read our in-depth blog!

When should you be cautious?

Although studies show that red light therapy may help with complaints such as depression, there is still insufficient evidence to state that it is completely safe during pregnancy.

Caution is therefore advised, especially in high-risk pregnancies, with elevated body temperature, high blood pressure, or existing conditions. Whether light therapy is suitable depends greatly on the individual situation and proper application. When in doubt, medical advice is always necessary.

Red Light Therapy can be safely applied to the face during pregnancy and helps care for the skin, improve circulation, and stimulate collagen production in a natural way.

However, some experts warn that hormonal changes may make the skin more sensitive to inflammatory reactions. Therefore, always consult your doctor before you begin.

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Tips for safe use

• Distance from the lamp: at least 30–50 cm
• Duration: maximum 10–15 minutes per session
• Frequency: 2–3 times per week
• Never aim directly at the abdomen
• Protect your eyes with safety glasses or keep them closed
• Always listen carefully to your own body

Conclusion

Light therapy can alleviate various complaints in a gentle and natural way. Red Light Therapy is often considered safe during pregnancy when applied correctly: not too hot, not for too long, and not directly on the abdomen.

Infrared therapy penetrates deeper and therefore requires extra caution, especially for pregnant women. When in doubt, always consult a doctor or midwife.