Rapid organ formation in weeks 5-8. Heart begins beating. Embryo grows from sesame seed to raspberry. Morning sickness typically peaks. All major body systems forming.
PREGNANCY MONTH 2 · WEEKS 5–8 · 1st TRIMESTER
BABY AT START OF MONTH
🌱
sesame seed
MONTH
2
of 9 · Weeks 5–8
BABY AT END OF MONTH
🍓
raspberry
1.6cm · 1g
WEEK-BY-WEEK DEVELOPMENT — MONTH 2 (WK 5–8)
Week 5: Heart begins beating. Neural tube forming. Amniotic sac developing.
Week 6: Heartbeat detectable by transvaginal ultrasound (~100-160 bpm).
Week 7: Brain developing rapidly. Arm and leg buds visible. Face forming.
Week 8: All major organs forming. Fingers beginning. Tail disappears.
🌸 HOW YOU MAY FEEL
Morning sickness typically peaks in month 2. Fatigue, frequent urination, breast soreness. Emotional sensitivity common.
COMMON SYMPTOMS — MONTH 2
APPOINTMENTS & TESTS — MONTH 2
First antenatal appointment (blood tests, medical history)
Early ultrasound to confirm heartbeat (6-8w)
💡 MONTH 2 TIP
Morning sickness usually peaks at 8-10 weeks. Small, frequent meals and ginger can help. Hyperemesis gravidarum (severe vomiting) requires medical attention.
What happens in month 2?
Month 2 (weeks 5-8) — rapid embryonic development: Week 5: Heart begins beating. Neural tube forming. Week 6: Heartbeat detectable by ultrasound (~100-160 bpm). Week 7: Brain developing rapidly. Arm and leg buds visible. Week 8: All major organs forming. Fingers beginning. Tail disappears. Baby size at end of month 2: raspberry (~1.6cm, ~1g) Key milestone: heartbeat first seen on ultrasound (week 6).
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Pregnancy month 2 · Weeks 5–8 · 1st trimester · Sources: ACOG, NHS, WHO