It is not uncommon to experience a thick, sticky brown discharge at certain times in your menstrual cycle. This type of discharge can occur due to various reasons such as old blood mixing with cervical mucus or hormonal changes. However, if the discharge is accompanied by other symptoms like itching, foul odor, or pelvic pain, it may indicate an infection or other underlying health issues. It's always best to consult with a healthcare provider who can evaluate your specific situation and provide appropriate guidance.