Our Blog
Latest updates, guides, and tips from Period Calculator. Stay informed and improve your health journey.
Pregnancy Planning Playbook: Rules, Spacing, Best Age & Second-Baby Prep
Decode the internet's pregnancy rules with research-backed guidance on timing, spacing, age, and prepping for a second baby, plus quick links to the Period Calculator.
Can You Tell "Egg Quality" From Your Period? What Recent Research Really Says
Period symptoms are not a microscope for egg quality. Here is what age, hormone tests, and embryo screening actually tell us, plus cycle tracking that still matters.
Fertility 101: Timing, Age, and When to Worry
From understanding your fertile window to knowing when age becomes a factor - a comprehensive guide to fertility based on the latest medical guidance.
Safe Days and Fertile Windows: What the Latest Research Really Says
Understanding the reality behind 'safe days' and fertility windows - why cycles shift, how ovulation timing works, and what research tells us about pregnancy risks throughout your cycle.
How "Unpredictable" Are Your Periods Really? The Shocking Menstrual Truths 99% of Women Don't Know!
Think you understand your menstrual cycle? Scientific research reveals that 70% of women actually have no clue about their own fertile window!