Trimester 1
5 weeks pregnant: Heart begins to form
Here is what to expect this week for you and your baby.

Baby Size Black pepper (kali mirch) 0.3 cm A sesame seed (~2–3 mm). The tiny heart tube begins to beat.
Baby Development
- Heart begins to beat
- Brain develops into five areas
- Tiny buds for arms and legs appear
Common Symptoms
- Increased urination frequency
- Nausea and morning sickness intensify
- Extreme fatigue
- Food aversions begin
Tips & Advice
- Keep dry crackers by bedside for morning nausea
- Wear comfortable, loose clothing
- Ginger tea or ajwain water can help with nausea
Nutrition Guide
- Ginger: fresh adrak in tea or food for nausea relief
- Complex carbs: jowar roti, bajra, sweet potato
- Protein snacks: roasted chana, peanuts (mungfali)
Medical Checklist
When to see your doctor at week 5
Some symptoms need attention right away. Contact your doctor or go to the nearest hospital if you notice any of these:
- Heavy bleeding (soaking a pad within an hour)
- Severe or persistent abdominal or pelvic pain
- Fever above 38°C (100.4°F)
Frequently asked questions
Will my first scan show a heartbeat?
A transvaginal scan may detect a heartbeat from about 5.5–6 weeks; abdominal scans by 7–8 weeks.
Is morning sickness normal yet?
Nausea can start any time from week 5–6, often peaking around weeks 8–10.
Can I continue my workouts?
Mostly yes. Avoid contact sports, hot yoga, and high-impact exercises.
For partners
Take over kitchen duties on rough-nausea days — strong smells are the usual trigger.
Prepare for your OB visit
- What blood tests will the first prenatal visit cover?
- Any vaccinations I need now?
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