hCG Trend Tracker Enter two blood draws for an instant doubling-time and rise reading, or log a full series of draws below to see the trend plotted over time — on a linear or logarithmic scale. This tool is for information only, not a diagnosis. hCG patterns vary a lot between healthy pregnancies. Always interpret … Read more
Due Date Calculator Estimate your baby’s due date and see exactly how far along you are today — from your last period, a known conception date, or an IVF transfer date. Last period Conception date IVF transfer First day of your last period Average cycle length 28 days is typical; adjust if your cycles usually … Read more
Educational estimate, not a diagnosis Implantation Calculator & Calendar Enter your ovulation date, or your last period and cycle length, to see your likely implantation window, the single most common day within it, and a cautious first day to test — mapped to real calendar dates. Clinical note: light spotting or mild cramping are common … Read more
Educational estimate, not a diagnosis Miscarriage Risk Calculator by Week and Day Enter your gestational age for a baseline estimate. Adding your age, any ultrasound findings, pregnancy history, and BMI refines it further. This is a statistical planning tool, not a diagnosis — it cannot see your ultrasound or symptoms the way your clinician can. … Read more
Whelping planner Dog Pregnancy Calculator Pick the date you know, and this works out an estimated due date, a realistic range around it, a live countdown, a week-by-week timeline, and a vet-visit schedule pinned to real dates for your dog. Which date do you know? Mating dateFirst day of heat (proestrus)Vet-confirmed ovulation dateVet-confirmed LH surge … Read more
Chance of Twins Calculator Estimate your odds of a twin pregnancy — fraternal or identical — based on age, family history, body size, ethnicity, and fertility treatment, using patterns from published twinning research. About this pregnancy Your age Number of previous births This is my first123 or more Conception method Natural conceptionOvulation induction (Clomid / … Read more
Implantation Calculator Estimate your implantation window and earliest reliable test date from your last period and typical cycle. First day of last period Average cycle length Days from the start of one period to the start of the next. 28 is typical, but cycles commonly range 21–35 days. Luteal phase length Days between ovulation and … Read more
Early pregnancy blood work hCG Rise Calculator: Compare Two Blood Tests Enter two quantitative hCG results and when each was drawn. This works out the doubling time, the actual rise between the two draws, and how that compares with the published ranges clinicians use — it doesn’t replace your clinician’s reading of your case. Regardless … Read more
Educational estimate, not a diagnosis Stillbirth Risk Awareness Calculator The large majority of pregnancies end in a live birth. This tool combines a baseline population rate with a small set of well-studied risk factors to show roughly how your own profile compares to average — as a starting point for a conversation with your midwife … Read more
Symptom checklist Am I Pregnant? Early Symptom Checklist Check anything you’ve noticed recently. This won’t tell you whether you’re pregnant — no checklist can — but it can help you decide whether it’s worth taking a test. Symptoms Missed period, or one that’s unusually light or short Nausea, with or without vomiting Sore, tender, tingling, … Read more