Hor always have a swollen belly in the second half of the cycle: is this normal?
Doctor Monica Calcagni responds
Doctor Monica Calcagni
I’m there Doctor Monica Calcagni, Surgeon specializing in Gynecology and Obstetrics. For over twenty years I have accompanied women in every phase of their lives with competence, listening and passion. I graduated with honors fromUniversity of Rome “Tor Vergata”where I also obtained a specialization in Obstetrics and Gynecology with honors and a II level Master’s degree in Aesthetic Medicine, as well as various specialist certifications.
In my job I deal with everything related to gynecological health: from prevention to contraception, from pregnancy to birth assistance, up to obstetric and gynecological ultrasound. I’m a non-objecting doctor and I have always been committed to protection of women’s health and rights.
Alongside my clinical activity, I also carry out my educational activity, with scientific publications and three books aimed at the general public. I have written three books: My journey alongside women (Maggioli Editore, 2025), More woman, less break (Sperling&Kupfer, 2024) e Women’s things (Sperling&Kupfer, 2022).
For info and contacts call 3397247140-3737375627
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I always have a swollen belly in the second half of my cycle: is this normal?
Many women are well aware of that bloated sensation that arrives promptly in the second half of the cycle, when progesterone, the dominant hormone in those days, slows down intestinal motility a little and promotes greater fluid retention. It is a phase in which you feel different, almost “full”: your abdomen rounds out slightly, your jeans seem tighter without anything having changed in your diet, and you find yourself wondering why, despite not eating more, you still feel weighed down.
It’s physiological, but…
All of this, within certain limits, is physiological: the body prepares for menstruation, and in this preparation temporarily changes the way it manages water, sodium and intestinal motility. The line between “normal” and “worth attention”, however, is quite clear. When the bloating is no longer just a feeling of fullness, but becomes a marked abdominal tension, when the belly swells to the point that it looks different every month, when you feel as if you have ingested a balloon that continues to expand, then it is no longer simple premenstrual retention.
If there is pain
Even more so if the swelling is associated with pain, obvious digestive difficulties, alternation between constipation and diarrhea or if it begins to interfere with your daily activities: you eat with less pleasure, you feel limited in your movements, you find it more difficult to concentrate because your abdomen tightens or hurts. In many cases, the culprit is the intestine, which is an “organism within the organism” and responds very sensitively to hormonal fluctuations. This is why so many women notice that their intestines change behavior based on the time of their cycle.
How much does progesterone have to do with it?
Other times, however, swelling is not just a side effect of progesterone, but a part of a condition that deserves further investigation: endometriosis and adenomyosis, for example, often manifest themselves with cyclical symptoms, and swelling can be one of the first signs, especially when it is recurrent, painful and seems “disproportionate” to the diet.
Listen to your body
The female body has its own way of communicating, made up of rhythms, small changes, sensations that repeat themselves with an almost poetic precision. Swelling, when it remains within certain boundaries, is part of this language. But when it becomes a cumbersome, constant, intrusive presence, it is no longer a simple annoyance: it is a message. And like all messages from the body, it deserves listening, space and careful evaluation. Because behind that swelling there may be something that, if identified early, can be managed much better.
