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Bloating During Ovulation: What’s Going On in Your Gut?

Written by Dr. Brandon Rieders, Gastroenterologist

If you feel unusually bloated around the middle of your menstrual cycle, you’re not alone. Many women report increased abdominal fullness, gas, and digestive discomfort during ovulation. While often dismissed as a normal part of the cycle, understanding why this happens can help you feel more in control and less uncomfortable each month.

What Is Ovulation?

Ovulation typically occurs around day 14 of a 28-day menstrual cycle. During this phase, the body releases an egg from the ovary, triggering a surge in hormones like estrogen and luteinizing hormone (LH). These hormonal shifts can have systemic effects—including on the gastrointestinal (GI) system.

Why You Experience Bloating During Ovulation?

Rising estrogen and LH can lead to fluid retention, slowed digestion, and increased sensitivity in the gut. Estrogen, in particular, has been linked to alterations in GI motility, which can contribute to gas buildup and bloating.

A study published in Neurogastroenterology and Motility found that estrogen can slow gastric emptying and small intestinal transit, which may explain the increased bloating some women experience during ovulation.

Research shows that fluctuations in ovarian hormones can enhance visceral sensitivity, making you more aware of normal GI sensations. In other words, mild bloating may feel more intense during ovulation due to heightened sensitivity.

Some women experience mild constipation mid-cycle. Reduced motility combined with hormonal effects on water absorption can result in slower transit and that uncomfortable “puffy” feeling.

How to Manage Bloating During Ovulation

  • Stay Hydrated: Adequate hydration helps counter fluid retention and keeps digestion moving smoothly.
  • Eat Smaller, Frequent Meals: This can prevent excessive distention of the stomach.
  • Avoid Gas-Producing Foods: Beans, cruciferous vegetables, and carbonated drinks may worsen bloating at this time.
  • Move Your Body: Gentle exercise can enhance motility and reduce fluid buildup.
  • Try Digestive Support: A supplement like Happitum™ can help soothe the gut and support smoother digestion. With clinically studied ingredients like ginger, peppermint, fennel, and digestive enzymes, Happitum works naturally with your body to calm your digestive system during sensitive times of the month.

When to Talk to a Doctor

While bloating during ovulation is common, severe or persistent discomfort may indicate a more serious GI issue. If symptoms significantly disrupt your life or worsen over time, consult a gastroenterologist.

References

  1. Houghton, L.A., et al. (2002). “Relationship between the menstrual cycle and gastrointestinal symptoms in IBS.” Neurogastroenterology and Motility, 14(1), 17-22.
  2. Whitehead, W.E., et al. (1998). “Effects of menstrual cycle on bowel symptoms in irritable bowel syndrome.” American Journal of Gastroenterology, 93(5), 897-903.
  3. Heitkemper, M.M., et al. (2003). “Impact of sex and gender on physiology of the gastrointestinal tract.” Journal of the National Medical Association, 95(5 Suppl), 16S–24S.
  4. Kim, Y., et al. (2011). “Peppermint oil for the treatment of irritable bowel syndrome: a systematic review and meta-analysis.” Journal of Clinical Gastroenterology, 45(8), 679–688.
  5. Bate, C.M., et al. (1998). “Ginger root suppresses nausea and gastric spasms: results of a controlled clinical trial.” The Lancet, 351(9104), 920.