Here is a simple, Jain-dharmic overview. Remember, practices vary by tradition (Śvetāmbara vs. Digambar) and by community, so always check with your local guru or temple.

Key points

• In Jainism there isn’t a single universal rule for menstruation. The guidance is tradition-specific and emphasizes modesty, self-care, and spiritual safety.
• The main idea is to avoid potential discomfort or distraction while the mind is focused on discipline and practice.

Common differences between traditions

• Śvetāmbara (many communities): Some women observe a temporary routine during menstruation, such as reducing participation in temple activities or formal puja (devotional ceremonies). They may also refrain from handling religious items or entering the garbhagriha (sanctum) of temples, depending on local custom.
• Digambar (other communities): Practices can be more stringent or more relaxed depending on the sect and local temple. Some follow similar temporary restrictions as Śvetāmbara communities; others may have different practical rules. The essential aim is respect for one’s own purity and focus on spiritual practice.

Practical, everyday guidance (general, non-ritual)

• If you feel unwell or uncomfortable, prioritize your health and rest.
• When possible, engage in personal study or meditation that is suitable for you, rather than participating in activities that require temple access or handling sacred items.
• Maintain purity of thought and conduct: be gentle with yourself, avoid anger or judgment, and practice right speech, right conduct, and right mindfulness as you are able.
• Seek guidance from your local Jain temple, guru, or senior practitioners about what is appropriate in your community.

Why there are differences

• Jain communities across India and the world have developed their own customary rules over centuries. Both Śvetāmbara and Digambar lineages honor the same underlying ethics (non-violence, truth, purity) but express them through different regional practices.

If you’d like, tell me your tradition (Śvetāmbara or Digambar) and your locality, and I can summarize the exact local practices used by your community.