Free · Evidence-based · Physician-built

Evidence-based tools for fertility, pregnancy, birth and women's health

Calculators, screening instruments and guides built and reviewed by Amos Grünebaum, MD. Every threshold is traced to a named publication. Nothing you enter leaves your device.

For patients and families Find tools for your stage of life Trying to conceive, pregnancy, birth, after birth, periods and menopause For clinicians Calculators, screens, consent and checklists Organized by clinical task, with sources named in every tool

Physician-built and reviewed. 50 years of obstetric practice behind every tool.

Sources named. Each tool lists the publications it is built on.

Private by design. No personal data is collected or stored.

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AI skillsCliniciansClaude Skills for Clinicians20 free skills for evidence, AI checking, writing, consent, ethics and teaching, each with a one-click download AI promptPatientsSymptomQuestA free AI prompt that interviews you about your symptoms and writes a summary for your visit CalculatorPatients & cliniciansDue Date & Pregnancy CalendarDue date from last period, ultrasound, IVF or ovulation, with a printable calendar ScreenPatientsDaily Pregnancy Blood Pressure CheckHome blood pressure and warning-symptom check with a log to share with your care team CalculatorPatientsChance of Pregnancy by AgeChance of pregnancy within 6 and 12 months at each age from 21 to 45 GuidePatients & cliniciansPreterm Birth Prevention NavigatorRisk tier, cervical length and progesterone pathway, and a printable prevention plan CalculatorCliniciansBishop Score CalculatorCervical favorability with induction outcomes and ripening guidance ChecklistCliniciansVTE Prophylaxis in PregnancyRCOG and SMFM thromboprophylaxis checklists side by side, with LMWH timing and dose

For patients and families

Choose your stage of life

Trying to conceiveFertile window, ovulation, preconception PregnancyDating, symptoms, warning signs, screening Before your testAnatomy scan and NIPT explained Labor and birthBirth plans, contractions, consent After birthRecovery, warning signs, the year after birth Periods and women's healthCycles, bleeding, pain, screening MenopauseStages, symptoms, treatment options InfertilityWhen to be evaluated, ovarian reserve, IVF Fertility for menSemen analysis, hormones, next steps

For clinicians

Browse by clinical task

Calculators and scores

Validated scores and risk calculators with the source study named

Screening instruments

Standard screens, scored and interpreted

Counseling and informed consent

Consent documents built on the preventive ethics model

Interactive checklists

Guideline checklists for the bedside and for case review

Courses

Structured courses with knowledge checks

AI and reference tools

For clinicians using AI in practice and publishing

New this month

Recently added or rebuilt

Clinician calculatorSerial hCG Calculator AI skills · CliniciansClaude Skills for Clinicians AI promptSymptomQuest: Structured Symptom Questionnaire PregnancyDaily Pregnancy Blood Pressure Check Clinician screeningAsking About Violence PregnancyPUQE Score PregnancyDown Syndrome Chance by Age

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How these tools are built

Structured Collaboration™: the physician directs, AI drafts, every clinical claim is verified

Each tool is defined by a physician, drafted with AI under source-verification rules, and checked claim by claim before publication.

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