Pregnancy week 1
Trimester 1 · Baby is about not yet conceived — this week is counted from your last period
Pregnancy is dated from the first day of your last period, so conception has not happened yet. Your body is shedding the uterine lining and preparing a fresh one.
How your body may feel
- • Normal period bleeding and cramping.
- • Hormones are resetting for a new cycle.
- • No pregnancy symptoms are expected yet.
Self-care this week
- • Start or continue folic acid 400 micrograms daily.
- • Note the first day of this period — it sets your due date.
- • Avoid alcohol and tobacco if you are trying to conceive.
Milestone
Day one of your cycle is the start of pregnancy dating.
Seek care urgently if you notice
- • Heavy bleeding, or bleeding with clots
- • Severe pain on one side of the lower abdomen or shoulder tip pain
- • Fever above 38°C
- • Vomiting so much you cannot keep fluids down for 24 hours
- • Fainting or severe dizziness
Related resources
Related articles
Related FAQs
Related warning signs
- Heavy bleeding — Soaking a pad in under an hour, or passing large clots
- Severe headache that won't ease — Especially with blurred vision or sudden swelling
- Difficulty breathing — Breathlessness at rest or when lying down
- Chest pain or a racing heart — Pressure, tightness or fluttering that doesn't settle
Ask Nestora About This Week
Your Companion can explain week 1 in your own words — symptoms, nutrition, what to raise at your next visit.
Ask Nestora About This Week