Why hasn't my menstruation started after a 7-day delay?

Generally, if menstruation is delayed for 7 days, it may be caused by psychological factors, unhealthy lifestyle habits, polycystic ovary syndrome (PCOS), hyperprolactinemia, chronic pelvic inflammatory disease, and other reasons. If discomfort occurs, timely medical consultation is recommended. Detailed analysis is as follows:

1. Psychological Factors

Long-term mental stress, anxiety, depression, and other emotional issues can affect the hypothalamic-pituitary-ovarian axis, leading to endocrine disorders and menstrual cycle irregularities, resulting in delayed menstruation. It is important to maintain a positive mindset and learn to relieve stress and regulate emotions through exercise, listening to music, communicating with friends, and other methods.

2. Unhealthy Lifestyle Habits

Excessive dieting, binge eating, long-term sleep deprivation, and irregular living patterns can affect the body's nutritional status and circadian rhythm, disrupting the endocrine system and subsequently affecting the menstrual cycle. It is recommended to maintain regular作息 (作息 translates to作息 in English but may be omitted or rephrased as "daily routines"), ensure adequate sleep, maintain a balanced diet, and avoid excessive dieting or uncontrolled eating habits.

3. Polycystic Ovary Syndrome (PCOS)

Polycystic ovary syndrome may be associated with multiple factors such as genetics, environment, and lifestyle. It may lead to polycystic ovarian changes, elevated androgen levels, and abnormal ovulation, thereby prolonging the menstrual cycle and causing a 7-day delay in menstruation. It may also be accompanied by symptoms such as hirsutism and obesity. Under medical guidance, medications such as levonorgestrel tablets, compound norethindrone tablets, dexamethasone tablets, and others may be used to alleviate symptoms.

4. Hyperprolactinemia

Hyperprolactinemia is often caused by pituitary diseases, medication factors, or primary hypothyroidism. Elevated prolactin levels can suppress the hypothalamic-pituitary-ovarian axis, inhibit ovulation, and lead to menstrual irregularities, causing the aforementioned condition. Symptoms may include galactorrhea and headaches. Patients may follow medical advice to use medications such as octreotide acetate injection, vitamin B6 tablets, aripiprazole tablets, and others for treatment.

5. Chronic Pelvic Inflammatory Disease

Chronic pelvic inflammatory disease is often caused by infections following childbirth, abortion, or intrauterine surgical procedures. Long-term inflammation can lead to pelvic tissue adhesion and scar formation, affecting ovarian and uterine function, resulting in delayed menstruation. Symptoms may also include lower abdominal heaviness and pain. Patients may follow medical advice to use medications such as ceftriaxone sodium for injection, gentamicin sulfate tablets, gynecological zhidai tablets, and others for treatment.

In daily life, it is important to stay warm, especially during menstruation and cold seasons, keeping the abdomen, waist, and lower limbs warm to avoid cold exposure, which may lead to menstrual irregularities.