| Factors affecting MCSs according to TTM knowledge [10, 29] | Example of the factors |
| Internal factors | | Personal data | Age, major elements in the human body, obesity | | Medical history | Underlying illness or health problems (migraine, asthma, atopic dermatitis, insomnia, constipation, etc.), accident, abdominal surgery | Ob-gynecologic history | Pregnancy and childbirth history, postpartum care, abortion, curettage, contraceptive use | Gynecological disease, age at menarche, first time menstrual-cycle-related symptoms began, family history (grandmother/mother/sister/twin) | Emotion | Angry, irritability, anxiety, stress, sad, depressed | Behaviors | Skipping meals, being in the same position for a long time, working excessively, sleep deprivation, often sleeps late |
| External factors | | Types of food | Uncooked food or raw food, strong-flavored food, preserved food, fried food, oily food | Types of drink | Energy drinks, carbonated drinks, iced drinks, frappe, coconut juice, alcoholic drinks, caffeinated drinks | Environment | Contact with chemicals, hot weather, cold weather, climate change immediately |
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