https://minicycle.net/blog/ Period calendar guides from MiniCycle. https://minicycle.net/blog/how-minicycle-estimates-periods-ovulation-fertile-window/ https://minicycle.net/blog/how-minicycle-estimates-periods-ovulation-fertile-window/ Sat, 16 May 2026 00:00:00 +0900 Learn how MiniCycle estimates period dates, ovulation, and the fertile window using recent cycle records, median-based calculations, and published menstrual cycle research. https://minicycle.net/blog/period-calendar-widget-iphone-home-screen/ https://minicycle.net/blog/period-calendar-widget-iphone-home-screen/ Sat, 16 May 2026 00:00:00 +0900 A practical guide to period calendar widgets, including glanceable cycle status, prediction labels, and why MiniCycle keeps its iPhone widget simple. https://minicycle.net/blog/private-period-tracking-without-account/ https://minicycle.net/blog/private-period-tracking-without-account/ Sat, 16 May 2026 00:00:00 +0900 MiniCycle keeps period records on your device and avoids account-based syncing. Learn why local storage matters for a simple menstrual tracking app. https://minicycle.net/blog/cycle-length-period-length-statistics/ https://minicycle.net/blog/cycle-length-period-length-statistics/ Sat, 16 May 2026 00:00:00 +0900 Understand cycle length, period length, recent averages, and why MiniCycle shows simple statistics instead of turning every cycle into a score. https://minicycle.net/blog/period-tracker-prediction-limits/ https://minicycle.net/blog/period-tracker-prediction-limits/ Sat, 16 May 2026 00:00:00 +0900 Period tracker predictions can help with planning, but they are not medical advice, contraception, or a pregnancy test. Learn the limits MiniCycle makes explicit.