There is a temporary Nyonin Kinsei which considers particular period related with women's menses as a period of abstention, while there is a permanent Nyonin Kinsei which constantly prohibits women's entering in distinction from men.
女性の月経に関係する特定の期間を忌みとする一時的な女人禁制と、女性を男性と区別して恒常的に立入りを禁ずる永続的な女人禁制がある。