Breast Cancer Risk Calculator | Dr. Lalita Vaitheeswaran

👤

Demographics

Basic personal information to calibrate your risk profile

Current Age *

Please enter a valid age (20–90)

Current Menopausal Status

Pre-menopausal Peri-menopausal Post-menopausal Not applicable

🌸

Reproductive History

Hormonal and reproductive factors influence lifetime exposure to estrogen

Age at First Menstrual Period (Menarche)

Age at Menopause (if applicable)

Have you ever been pregnant?

Yes No (Nulliparous)

Breastfeeding History

Number of Full-Term Pregnancies

036+

0 pregnancies

🧬

Family History

Genetic and hereditary factors — the strongest known risk contributors

First-degree relative (mother, sister, daughter) with breast cancer?

None 1 relative 2 relatives 3+ relatives

Second-degree relatives (grandmother, aunt) with breast cancer?

None 1 relative 2+ relatives

Family history of ovarian cancer?

No Yes

Male relative(s) with breast cancer in family?

No Yes

Known BRCA1 / BRCA2 genetic mutation?

No / Not tested BRCA1 positive BRCA2 positive Both BRCA1 & 2

Other known genetic mutations (PALB2, ATM, CHEK2, TP53, PTEN, CDH1)?

No / Unknown Yes

Ashkenazi Jewish heritage?

No Yes

🏥

Personal Medical History

Previous diagnoses and biopsies that may affect your risk

Have you ever had a breast biopsy?

No Yes Unsure

Dense breast tissue (from mammogram report)?

Almost entirely fatty (A) Scattered areas (B) Heterogeneously dense (C) Extremely dense (D) Unknown / No mammogram

Previous radiation therapy to chest/breast area?

No Yes, as adult (≥ 30 yrs) Yes, before age 30

🏃

Lifestyle Factors

Modifiable factors that research links to breast cancer risk

Alcohol Consumption

None Light (≤1 drink/day) Moderate (1–2/day) Heavy (≥3/day)

Smoking History

Never smoked Former smoker Current: < 10 cigs/day Current: ≥ 10 cigs/day

Physical Activity Level

Sedentary (< 1 hr/wk) Low (1–2 hrs/wk) Moderate (2–4 hrs/wk) Active (4+ hrs/wk)

Night Shift Work History

No Occasional Long-term (≥ 10 years)

💊

Hormone Use

Exogenous hormone exposure history

Oral Contraceptive (Birth Control Pill) Use

Never used Past use (stopped > 10 yrs ago) Past use (stopped ≤ 10 yrs ago) Currently using

Hormone Replacement Therapy (HRT / MHT) Use

Never used Estrogen-only HRT Combined HRT < 5 years Combined HRT ≥ 5 years

IVF / Fertility Treatment History

None Yes

🥗

Body Composition & Diet

Weight and dietary patterns affect hormone levels and inflammation

Height (cm)

Current Weight (kg)

Weight change since menopause (post-menopausal only)

Dietary Pattern (select all that apply)

High red/processed meat High ultra-processed foods High dietary fat High vegetables & fruit Mediterranean-style diet High dietary fiber

Vitamin D Status (if known)

Unknown Deficient (< 20 ng/mL) Normal / Sufficient Actively supplementing

Know Your Risk,
Take Control

Demographics

Reproductive History

Family History

Personal Medical History

Lifestyle Factors

Hormone Use

Body Composition & Diet

Your Estimated Breast Cancer Risk