Seafood can affect menstruation, seafood is a cold food, eat more will lead to bruising, is not conducive to blood circulation, will lead to reduced menstruation, dysmenorrhea, irregular periods, etc. It is recommended that women do not eat too much seafood in the menstrual cycle, you can eat more vitamin-rich vegetables and fruits, eat more food rich in high-quality protein, can replenish the nutrients lost due to menstrual blood, but also to enhance physical fitness. Women should pay attention to the hygiene of their private parts during menstruation, do not go for a long time without changing sanitary napkins and underwear, which can easily lead to genital infection, and wash the vulva every day.