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1. Delayed Periods. â A brown vaginal discharge instead of a period usually occurs due to late periods. â Sometimes if the lining is not eliminated, the residual can remain within the uterus for almost a month. â In this condition, a womanâs body expels an old uterine lining.
Normally, vaginal discharge during the menstrual cycle is almost transparent, as it consists mostly of cervical mucus. Sometimes, brown discharge between periods can be observed. They can have both physiological causes (ovulation, adjustment to hormonal contraceptives) and various diseases.