IVF Pregnancy Calculator — Week 34 (Day 3 & Day 5 Transfer)
You are 34 weeks pregnant after IVF (gestational age counted from egg retrieval + 14 days for day-5 transfer, +12 days for day-3 transfer). Below is what your embryologist and REI clinic expect at this exact stage.
IVF Pregnancy Calculator
Enter your egg retrieval date and select day-3 or day-5 transfer. EDD = retrieval + 266 days.
How to Use This Calculator
1. Enter the retrieval date
Use the labelled fields and units that match your situation.
2. Calculate instantly
The result, visual comparison, and working update as values change.
3. Discuss the estimate with your clinician
Check assumptions, then copy, print, or share the calculation.
Practical Examples & Use Cases
| Starting date | Method | Calculation | Planning use |
|---|---|---|---|
| 1 Jan | Retrieval | +266 days | Estimated due date |
| Known clinical date | Ultrasound | Clinician dating | Confirm or revise estimate |
Baby at week 34
At 34 weeks gestational after IVF transfer: Vernix thickens. Lanugo shedding. Central nervous system fully mature.
Mother's body — what changes
Post-IVF at week 34, clinical picture: Fundus 14 cm above navel. Antenatal visits weekly from 36. Practice perineal massage.
Nutrition & supplements
Add ~450 kcal/day. Increase iron and DHA — brain growth peaks now. Split meals into 5–6 small portions to control heartburn and stable glucose. Post-IVF continue progesterone support and prenatal vitamin exactly as your REI prescribed. Do not add herbal supplements without clearance — many interact with luteal support.
Safe exercise
Reduce intensity but keep moving. Pelvic floor + squats prepare for labour. Avoid contact sports, ski, horse-riding and hot yoga. After IVF avoid high-impact activity until confirmed viability at 8-week scan. Then follow standard trimester guidance.
Doctor visit checklist — week 34
- ✓Perineal massage from week 34 reduces tearing risk
- ✓Progesterone support review — continue until placenta takeover (week 10–12)
- ✓Beta-hCG doubling every 48–72 hours until viability scan
- ✓First IVF viability ultrasound at 6–7 weeks gestational
Warning signs — call your provider immediately
- ⚠Heavy bleeding (soaking a pad in an hour)
- ⚠Severe abdominal pain that does not ease
- ⚠Fever above 38°C / 100.4°F
- ⚠Regular contractions before 37 weeks (preterm labour)
- ⚠Reduced fetal movement — fewer than 10 kicks in 2 hours
- ⚠Sudden swelling of face/hands + severe headache (preeclampsia)
- ⚠Bright red bleeding (placental abruption or previa)
Week 34 — Frequently asked questions
Content aligned with ASRM, SART and ESHRE. Reviewed by Dr. Maria Rehman, MD (OB/GYN). This page is educational and does not replace personal medical advice — call your obstetrician for any concern.
Related Calculators & Tools
Pregnancy Calculator
Week 34 guidance and calculation for this pregnancy timeline.
Twin Pregnancy Calculator
Week 34 guidance and calculation for this pregnancy timeline.
Pregnancy Countdown Calculator
Week 34 guidance and calculation for this pregnancy timeline.
Conception Calculator
Week 34 guidance and calculation for this pregnancy timeline.
IVF Pregnancy Calculator — Week 33
Review the previous week in this pregnancy timeline.
IVF Pregnancy Calculator — Week 35
Continue to the next week in this pregnancy timeline.