Period Tools Blog
Plain-English guides on menstrual cycles, fertility, pregnancy, and the lifestyle calculators we build. No fluff, no medical advice — just honest answers.
July 17, 2026 · 13 min read
How Many Days After Your Period Can You Get Pregnant?
Yes, you can get pregnant right after your period — sometimes within a day or two. Here's how cycle length, period length, and sperm survival decide your odds.
Read post
June 27, 2026 · 11 min read
Mucus Plug: What It Looks Like and What Losing It Means
What the mucus plug looks like, when you lose it, how it differs from the bloody show and your waters breaking, and whether losing it means labour is close.
Read post
June 17, 2026 · 12 min read
Ovulation Symptoms: 8 Signs You're Ovulating
Wondering if you're ovulating? Here are 8 reliable ovulation symptoms — from egg-white mucus and the BBT shift to mittelschmerz, the LH surge, and libido.
Read post
June 8, 2026 · 15 min read
Period Late but Negative Pregnancy Test? 12 Reasons Why
A late period with a negative test is usually a delayed or skipped ovulation — not pregnancy. Here are 12 common reasons, plus when to retest and when to see a provider.
Read post
June 8, 2026 · 14 min read
Cramps But No Period? 8 Reasons Why (and When to Test)
Period-style cramps with no bleeding can mean your period is coming, ovulation, early pregnancy, a delayed cycle, or a digestive cause. Here are 8 reasons and when to act.
Read post
June 8, 2026 · 16 min read
How to Track Ovulation: 5 Methods That Actually Work
Five proven ways to track ovulation — cervical mucus, BBT, ovulation tests, cycle tracking, and body signs — and how to combine them to find your fertile window.
Read post
June 8, 2026 · 18 min read
The Menstrual Cycle: A Complete Guide to All 4 Phases
A complete guide to the menstrual cycle — the menstrual, follicular, ovulation, and luteal phases, the hormones behind them, and what's normal at each stage.
Read post
June 8, 2026 · 17 min read
How to Get Pregnant: A Complete Trying-to-Conceive Guide
A practical guide to getting pregnant — finding your fertile window, timing sex, tracking ovulation, when to test, and how long it usually takes to conceive.
Read post
June 8, 2026 · 14 min read
Basal Body Temperature (BBT) Charting: A Beginner's Guide
How to chart your basal body temperature to confirm ovulation — what BBT is, how to take it, reading the biphasic shift, and using it alongside other fertility signs.
Read post
June 5, 2026 · 14 min read
Brown Period Blood: What It Means and When to Worry
Brown period blood is almost always just older, oxidised blood — normal at the start or end of your period. Here's what each shade means and when to check in.
Read post
May 26, 2026 · 13 min read
PMS vs Pregnancy: 9 Ways to Tell the Difference
PMS and early pregnancy share many symptoms. Here are 9 specific signs that reliably tell them apart — and when to take a pregnancy test.
Read post
May 26, 2026 · 12 min read
Implantation Bleeding vs Period: How to Tell the Difference
Implantation bleeding is light, short, and shows up 10-14 days after ovulation. Period blood gets heavier. Here are 5 specific ways to tell them apart.
Read post
May 26, 2026 · 12 min read
How Accurate Are Period Tracking Apps? A 2026 Reality Check
Period apps are about as accurate as their inputs. Calendar-only apps land within 2 days ~75% of the time; adding BBT or LH testing does better.
Read post
May 26, 2026 · 11 min read
Chinese Gender Predictor: How Accurate Is It Really?
The Chinese gender chart predicts boy or girl with about 50% accuracy — a coin flip. Here's where the chart comes from and what science actually says.
Read post