Breast Cancer Risk Calculator | Doseway Personal Information
Full Name:
Age:
Gender:
Female
Male
Other/Prefer not to say
Ethnicity:
White/Caucasian
Black/African American
Asian
Hispanic/Latino
Other
Family History
Family History of Breast Cancer:
None
1 first-degree relative (mother, sister, daughter)
2+ first-degree relatives
Second-degree relative (grandmother, aunt)
Age at Diagnosis of Relative:
No family history
50+ years
40-49 years
Under 40 years
Other Family Cancers:
None
Ovarian cancer
Prostate cancer (male relatives)
Pancreatic cancer
Reproductive Health
Age at First Menstruation:
12 or older
11 years
10 years
9 years or younger
Menopausal Status:
Pre-menopausal
Natural menopause after 55
Natural menopause before 55
Surgical menopause (ovaries removed)
Age at First Childbirth:
Under 30 years
30-35 years
Over 35 years
No children
Hormonal Birth Control Use:
Never used
Used for less than 5 years
Used for 5+ years
Current user
Hormone Replacement Therapy (HRT):
Never used
Used estrogen-only
Used combined estrogen+progestin
Current user (less than 5 years)
Current user (5+ years)
Lifestyle Factors
Alcohol Consumption:
None or rare
1-3 drinks per week
4-7 drinks per week
8+ drinks per week
Physical Activity:
Regular (3+ hours/week)
Moderate (1-2 hours/week)
Sedentary (less than 1 hour/week)
Smoking History:
Never smoked
Former smoker
Current smoker
Breast Health History
Previous Breast Biopsies:
None
1 biopsy with benign result
2+ biopsies with benign results
Biopsy with atypical hyperplasia
Breast Density:
Not sure/never had mammogram
Almost entirely fatty
Scattered fibroglandular densities
Heterogeneously dense
Extremely dense
Calculate My Breast Cancer Risk
Your Breast Cancer Risk Assessment
Low Risk
Moderate Risk
High Risk
// Initialize jsPDF
const { jsPDF } = window.jspdf;
// BMI slider update
document.getElementById(‘bmi’).addEventListener(‘input’, function() {
document.getElementById(‘bmiValue’).textContent = this.value;
});// Calculate risk
document.getElementById(‘calculateBtn’).addEventListener(‘click’, calculateRisk);function calculateRisk() {
let score = 0;
// Personal factors
const age = parseInt(document.getElementById(‘age’).value);
if (age >= 60) score += 3;
else if (age >= 50) score += 2;
else if (age >= 40) score += 1;
// Family history
score += parseInt(document.getElementById(‘familyHistory’).value);
score += parseInt(document.getElementById(‘familyAge’).value);
score += parseInt(document.getElementById(‘otherCancers’).value);
// Genetic factors
if (document.getElementById(‘brca’).checked) score += 8;
if (document.getElementById(‘radiation’).checked) score += 5;
// Reproductive health
score += parseInt(document.getElementById(‘menarche’).value);
score += parseInt(document.getElementById(‘menopause’).value);
score += parseInt(document.getElementById(‘firstChild’).value);
score += parseInt(document.getElementById(‘birthControl’).value);
score += parseInt(document.getElementById(‘hrt’).value);
// Lifestyle factors
const bmi = parseFloat(document.getElementById(‘bmi’).value);
if (bmi > 30) score += 3;
else if (bmi > 25) score += 1;
score += parseInt(document.getElementById(‘alcohol’).value);
score += parseInt(document.getElementById(‘exercise’).value);
score += parseInt(document.getElementById(‘smoking’).value);
// Breast health
score += parseInt(document.getElementById(‘biopsies’).value);
score += parseInt(document.getElementById(‘density’).value);
// Ethnicity adjustment
const ethnicity = document.getElementById(‘ethnicity’).value;
if (ethnicity === ‘black’) score += 1;
// Display results
displayResults(score);
}function displayResults(score) {
const results = document.getElementById(‘results’);
const riskIndicator = document.getElementById(‘riskIndicator’);
const riskLevel = document.getElementById(‘riskLevel’);
const interpretation = document.getElementById(‘interpretation’);
const recommendations = document.getElementById(‘recommendations’);
// Show results section
results.classList.remove(‘hidden’);
// Position indicator (0-40 scale mapped to 0-100%)
const indicatorPosition = Math.min(score * 2.5, 100);
riskIndicator.style.left = `${indicatorPosition}%`;
// Set risk level and interpretation
if (score < 10) {
riskLevel.innerHTML = `
Low Risk (Score: ${score.toFixed(1)}) `;
riskLevel.innerHTML += `
Your 5-year risk: ${(score * 0.2).toFixed(1)}% (Average: 1.2%)
`;
riskLevel.innerHTML += `
Lifetime risk: ${(score * 0.6).toFixed(1)}% (Average: 12.5%)
`;
interpretation.innerHTML = `
Your calculated breast cancer risk is lower than average for someone of your age and demographic.
This is based on the risk factors you provided, including your family history, lifestyle, and reproductive factors.
`;
recommendations.innerHTML = `
Continue regular breast awareness and report any changes to your doctor Maintain a healthy lifestyle with balanced diet and regular exercise Follow standard screening guidelines for your age group Reassess your risk factors every 2-3 years or if your circumstances change
`;
}
else if (score < 20) {
riskLevel.innerHTML = `
Moderate Risk (Score: ${score.toFixed(1)}) `;
riskLevel.innerHTML += `
Your 5-year risk: ${(score * 0.25).toFixed(1)}% (Average: 1.2%)
`;
riskLevel.innerHTML += `
Lifetime risk: ${(score * 0.7).toFixed(1)}% (Average: 12.5%)
`;
interpretation.innerHTML = `
Your calculated breast cancer risk is moderately higher than average .
This increased risk may be due to factors such as family history, reproductive factors, or lifestyle choices.
`;
recommendations.innerHTML = `
Discuss your results with your healthcare provider Consider more frequent screening (e.g., annual mammograms) Review lifestyle factors that may help reduce risk (diet, exercise, alcohol) If you have significant family history, consider genetic counseling Be vigilant about breast awareness and report any changes promptly
`;
}
else {
riskLevel.innerHTML = `
High Risk (Score: ${score.toFixed(1)}) `;
riskLevel.innerHTML += `
Your 5-year risk: ${(score * 0.3).toFixed(1)}% (Average: 1.2%)
`;
riskLevel.innerHTML += `
Lifetime risk: ${(score * 0.8).toFixed(1)}% (Average: 12.5%)
`;
interpretation.innerHTML = `
Your calculated breast cancer risk is significantly higher than average .
This elevated risk may be due to strong family history, genetic factors, or other significant risk factors.
`;
recommendations.innerHTML = `
Consult with a breast specialist or genetic counselor as soon as possible You may need enhanced screening (e.g., mammograms plus MRI) Discuss risk-reduction strategies including medications or preventive surgery Family members may also benefit from risk assessment Maintain excellent breast awareness and report any changes immediately Consider participating in high-risk surveillance programs
`;
}
// Scroll to results
results.scrollIntoView({ behavior: ‘smooth’ });
}function generatePDF() {
const doc = new jsPDF();
// Add logo or header
doc.setFontSize(20);
doc.setTextColor(42, 100, 150);
doc.text(‘Breast Cancer Risk Assessment Report’, 105, 20, { align: ‘center’ });
doc.setFontSize(12);
doc.setTextColor(100, 100, 100);
doc.text(`Generated: ${new Date().toLocaleString()}`, 105, 30, { align: ‘center’ });
// Add line separator
doc.setDrawColor(200, 200, 200);
doc.line(20, 35, 190, 35);
// Patient information
doc.setFontSize(14);
doc.setTextColor(0, 0, 0);
doc.text(‘Patient Information’, 20, 45);
doc.setFontSize(12);
doc.text(`Name: ${document.getElementById(‘name’).value || ‘Not provided’}`, 20, 55);
doc.text(`Age: ${document.getElementById(‘age’).value || ‘Not provided’}`, 20, 65);
doc.text(`Gender: ${document.getElementById(‘gender’).value || ‘Not provided’}`, 20, 75);
doc.text(`Ethnicity: ${document.getElementById(‘ethnicity’).options[document.getElementById(‘ethnicity’).selectedIndex].text}`, 20, 85);
// Risk factors
doc.setFontSize(14);
doc.text(‘Risk Factors Summary’, 20, 100);
doc.setFontSize(10);
let yPos = 110;
// Family history
doc.text(`Family History: ${document.getElementById(‘familyHistory’).options[document.getElementById(‘familyHistory’).selectedIndex].text}`, 20, yPos);
yPos += 7;
if (document.getElementById(‘brca’).checked) {
doc.text(‘BRCA1/BRCA2 Mutation: Yes’, 20, yPos);
yPos += 7;
}
// Reproductive factors
doc.text(`Age at First Period: ${document.getElementById(‘menarche’).options[document.getElementById(‘menarche’).selectedIndex].text}`, 20, yPos);
yPos += 7;
doc.text(`Menopausal Status: ${document.getElementById(‘menopause’).options[document.getElementById(‘menopause’).selectedIndex].text}`, 20, yPos);
yPos += 7;
// Lifestyle factors
doc.text(`BMI: ${document.getElementById(‘bmi’).value} kg/m²`, 20, yPos);
yPos += 7;
doc.text(`Alcohol Consumption: ${document.getElementById(‘alcohol’).options[document.getElementById(‘alcohol’).selectedIndex].text}`, 20, yPos);
yPos += 7;
// Add another line separator
doc.line(20, yPos + 5, 190, yPos + 5);
yPos += 15;
// Risk assessment results
doc.setFontSize(14);
doc.text(‘Risk Assessment Results’, 20, yPos);
yPos += 10;
doc.setFontSize(12);
const riskLevel = document.querySelector(‘#riskLevel h3’).textContent;
doc.text(`Risk Level: ${riskLevel}`, 20, yPos);
yPos += 7;
const riskText = document.getElementById(‘interpretation’).textContent;
doc.text(‘Summary:’, 20, yPos);
yPos += 7;
// Split long text into multiple lines
const splitText = doc.splitTextToSize(riskText, 170);
doc.text(splitText, 20, yPos);
yPos += splitText.length * 7 + 10;
// Recommendations
doc.setFontSize(14);
doc.text(‘Recommendations’, 20, yPos);
yPos += 10;
doc.setFontSize(10);
const recommendations = document.getElementById(‘recommendations’).innerText;
const splitRecs = doc.splitTextToSize(recommendations, 170);
doc.text(splitRecs, 20, yPos);
// Footer
doc.setFontSize(8);
doc.setTextColor(100, 100, 100);
doc.text(‘This report was generated by Doseway Breast Cancer Risk Calculator’, 105, 285, { align: ‘center’ });
doc.text(‘For questions, contact: support@doseway.com | WhatsApp: +92318-6144650’, 105, 290, { align: ‘center’ });
doc.text(‘Website: https://doseway.com/’, 105, 295, { align: ‘center’ });
// Save the PDF
doc.save(`Breast_Cancer_Risk_Assessment_${document.getElementById(‘name’).value || ‘Report’}.pdf`);
}function shareResult(platform) {
const score = document.querySelector(‘#riskLevel h3’).textContent;
const riskDesc = document.getElementById(‘interpretation’).textContent.substring(0, 100) + ‘…’;
const text = `My Breast Cancer Risk Assessment: ${score} – ${riskDesc} Assess your risk at Doseway`;
const url = encodeURIComponent(‘https://doseway.com/breast-cancer-risk-calculator’);
const shareUrls = {
facebook: `https://www.facebook.com/sharer/sharer.php?u=${url}"e=${encodeURIComponent(text)}`,
twitter: `https://twitter.com/intent/tweet?text=${encodeURIComponent(text)}&url=${url}`,
linkedin: `https://www.linkedin.com/shareArticle?mini=true&url=${url}&title=${encodeURIComponent(‘My Breast Cancer Risk Assessment’)}&summary=${encodeURIComponent(text)}`,
whatsapp: `https://api.whatsapp.com/send?text=${encodeURIComponent(text + ‘ ‘ + url)}`
};
window.open(shareUrls[platform], ‘_blank’, ‘width=600,height=400’);
}// Initialize PDF button
document.getElementById(‘pdfBtn’).addEventListener(‘click’, generatePDF);
Try More Free Tools:
Breast Cancer Risk Calculator
Breast-Cancer-Risk-Calculator
Breast Cancer Risk Calculator
Breast cancer remains one of the most prevalent cancers globally, affecting 1 in 8 women during their lifetime. Early risk assessment is critical for proactive health management. Our Free Breast Cancer Risk Calculator combines medical research and clinical parameters to provide personalized insights. Below, we break down how this tool works, the key terms involved, and how to interpret your results.
What Is Breast Cancer Risk?
Breast cancer risk refers to the likelihood of developing malignant tumors in breast tissue over a specific period. Genetic, hormonal, and lifestyle f actors influence this risk .
Key Terms to Understand:
BRCA1/BRCA2 Genes : Genetic mutations linked to hereditary breast cancer.Menarche : Age at first menstruation (early onset increases risk).BMI (Body Mass Index) : Higher BMI correlates with elevated estrogen levels, a risk factor.First-Degree Relative : Immediate family members (mother, sister) with breast cancer.Hormone Replacement Therapy (HRT) : Long-term use may increase risk.
How the Breast Cancer Risk Calculator Works
Our tool uses clinically validated parameters to estimate your 5-year and lifetime risk. Here’s what it evaluates:
1. Demographic Factors
Age : The risk increases with age, peaking at 50–70 years.Gender : Women have a higher risk, but men can develop breast cancer too.
2. Genetic & Family History
Family history of breast/ovarian cancer. Known BRCA1/BRCA2 mutations.
3. Reproductive Health
Age at first menstruation (≤12 years = higher risk). Age at first childbirth (≥30 years = higher risk).
4. Lifestyle Metrics
BMI : Obesity increases estrogen production.Alcohol consumption and physical activity levels.
Interpreting Your Results
The calculator generates a color-coded risk score :
Risk Level Score Range Recommendations Low 0–10 Regular screenings, healthy lifestyle Moderate 11–20 Genetic counseling, increased screenings High 21+ Specialist consultation, preventive measures
Table: Interpreting Your Results
Key Metrics in Your Report:
Lifetime Risk Percentage : Compared to average population risk (12.5%).Risk Contributors : Visual breakdown of factors (e.g., genetics = 30%, lifestyle = 50%).
Why Early Risk Assessment Matters
Early Detection : 90% survival rate when caught at Stage I.Preventive Measures :Prophylactic surgeries for high-risk patients. Lifestyle modifications (diet, exercise). Tailored Screening : MRI/mammogram frequency based on risk level.
Take Control of Your Health
Use our Free Breast Cancer Risk Calculator to:
Identify modifiable risk factors. Schedule targeted screenings. Create a prevention plan with your doctor.
FAQs
How accurate is this calculator? It’s based on the Gail Model and Tyrer-Cuzick Algorithm , validated in clinical studies.
Can men use this tool? Yes, though male breast cancer accounts for only 1% of cases.
Does a high score mean I’ll get cancer? No—it highlights elevated risk, not a diagnosis.
Cart is empty
Add a Comment