◆ CASE STUDY · 05 — MEDICINE SUPPORT
Answers you can trust.
A WhatsApp companion for pregnancy care — stage-specific content, grounded against a vetted biomedical corpus, every reply reviewed.
4
Pregnancy stages
100%
Human-reviewed
Monthly
Content calendar
8 wks
Pilot to production

— 01 / THE INTERFACE
One thread. Stage-aware care.
Every answer is grounded against the BioLLM corpus. Fact cards are designed for the user's stage — week by week.
+
Hi Priya 👋 You're in week 18. Anything on your mind today?
what should I be eating now?
Pulling stage-specific guidance...
TRIMESTER 2 · WEEK 18
DearMom
Iron-rich foods to add this week
- Spinach, beetroot, jaggery
- Lentils + lemon (boosts absorption)
- Dates, pumpkin seeds (snack-friendly)
- Avoid tea/coffee with iron meals
✓ Clinically reviewedSOURCE · BioLLM · pg. 142
is spinach enough on its own?
Spinach is good non-heme iron, but pair it with vitamin C (lemon, tomato, amla) for better absorption — your body uses ~3× more.
— SOURCE · BioLLM · iron-absorption · pg. 88
— 02 / STAGE-AWARE CONTENT
Four stages. Four content tracks.
01
Trimester 1
Weeks 1 – 12
Nausea relief · early symptoms · food safety
02
Trimester 2
Weeks 13 – 26
Iron-rich foods · gentle movement · sleep
03
Trimester 3
Weeks 27 – 40
Birth prep · labour signs · bag checklist
04
Postnatal
Weeks 41+
Recovery · newborn care · feeding
— 03 / GROUNDED · GUARDED · REVIEWED
No reply leaves without a human seeing it.
Topic-modelled retrieval, BioLLM grounding, guardrails for hallucination + safety, then a human approves it into the calendar.
User Query
WhatsApp
BERT Topics
Indexed retrieval
BioLLM RAG
Grounded answer
Guardrails
Safety · scope
HITL Gate
Human approves
✓ APPROVED
WhatsApp
Sent · logged
— 04 / THE CONTENT FACTORY
Branded fact cards. Generated. Reviewed. Scheduled.
Flux generates the visual, brand templates lock the look, guardrails check the claim, a clinician signs it off.
TRIMESTER 1 · WK 8DearMom
Managing morning sickness
- Eat small, frequent meals
- Ginger tea, dry crackers
- Stay hydrated · sip slowly
✓ DR. R. PATEL
TRIMESTER 2 · WK 18DearMom
Iron-rich foods to add
- Spinach, beetroot, jaggery
- Lentils + lemon
- Dates, pumpkin seeds
✓ DR. R. PATEL
TRIMESTER 3 · WK 34DearMom
Recognising early labour
- Regular contractions · 5 min apart
- Water breaking · clear/pink
- Bloody show · mucus plug
✓ DR. S. NAIR
POSTNATAL · WK 2DearMom
Newborn feeding cues
- Rooting + sucking on hands
- Lip smacking · turning head
- Crying is a late cue
✓ DR. S. NAIR
— 05 / IN PRODUCTION
Trust, week by week.
100%
Replies clinician-reviewed
0
Hallucinations shipped
4
Stages · 40+ weeks covered
Monthly
Branded calendar
"Hallucinations in clinical content aren't a bug to triage — they're real-world harm. So we built the gate first."
— On the design constraint that drove everything
— 06 / BUILT WITH
The toolkit.
Python
BioLLM RAG
BERT (topic modelling)
Flux API
Twilio WhatsApp
AWS
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