Hello I share your concern Irregular periods or spotting in between the periods could be related to number of conditions like Hormonal imbalances Infection Endometrial hyperplasia certain cancerous condition like cervical or ovarian especially near your age Hypertension or bleeding disorder In my opinion you should consult a gynaecologist for physical examination and investigation like hormonal study or an ultrasound to establish a diagnosis and accordingly its treatment. Meanwhile maintain good hygiene you should take iron and multivitamin supplements to balance the excess blood loss or correct anaemia. Hope this answers your question Please feel free to ask for follow up question I will be happy to help you Best wishes