Mood swing in women before menstruation HOW TO MANAGE MOOD SWINGS IN WOMEN DURING PERIODS On approaching menstruation or period, one of the complaints women reports is mood swings. What cau ses mood swings during menstruation? Is it dangerous for health? Every healthy productive age woman will experience menstruation or period every month. Typically, before the menstrual period arrives, women will experience changes in mood or mood swings. These mood changes before the period are also known as Premenstrual Syndrome (PMS). A mood swing is a sudden and apparently inexplicable change in mood. You may be happy and elated at one moment but in the next moment, you are expressing hostility and anger. You must be familiar with this situation. It is normal to feel mood swings or emotional changes before or during the period. But your mood is important to what you do and the way you do it. A bad mood could affect everything from what you choose to eat to how you interact with others, even ...