IVF Due Date Calculator

1) What is an IVF due date?

An IVF due date is the estimated date when your baby is expected to be born after an In Vitro Fertilization pregnancy.

Unlike natural pregnancies—where due dates depend on the first day of your last menstrual period (LMP)—IVF due dates are more accurate because doctors know:

• The exact day the embryo was transferred
• How old the embryo was (Day 3 or Day 5)
• The exact date of conception, especially for frozen embryo transfers (FET)
• The developmental stage of the embryo at transfer

This makes IVF due date calculation clearer, predictable, and medically precise.

2) How to calculate the IVF due date?

The IVF due date depends on two factors:

The day the embryo was transferred:
• Day 3 (Cleavage-Stage) Embryo
• Day 5 (Blastocyst) Embryo

Adding pregnancy duration to the embryo’s age:
A full-term pregnancy is 280 days (40 weeks) from conception.

For Day 3 Embryo Transfer:
Add: 263 days to the transfer date

For Day 5 Embryo Transfer:
Add: 261 days to the transfer date

These formulas give an accurate estimation of your IVF pregnancy due date.

3) How does our IVF due date calculator work?

At Hegde Fertility, our IVF due date calculator is designed for simplicity, accuracy, and emotional comfort.

For Day 3 Embryo Transfers:
A Day 3 embryo has already developed for 3 days in the lab.
Formula: Transfer Date + 263 Days = Estimated Due Date

For Day 5 Embryo Transfers:
A Day 5 embryo (blastocyst) is more advanced.
Formula: Transfer Date + 261 Days = Estimated Due Date

What the calculator shows you:
→ Your Estimated Due Date (EDD)

4) How accurate is the IVF due date Calculator?

IVF due dates are known to be more accurate than natural pregnancy due dates, because:

• The embryo’s age is known
• Fertilization date is confirmed
• Embryo development is tracked
• Transfer day is fixed

What can affect accuracy?
• Implantation timing
• Differences in growth rate
• Medical conditions (e.g., hypertension, gestational diabetes)
• Multiple pregnancy (twins/triplets often deliver early)

Still, IVF due dates remain one of the most reliable estimations in pregnancy.

5) Can my IVF due date change?

Yes, and it’s completely normal.

Your fertility specialist may adjust the due date if:
• Early ultrasound measurements differ
• Baby’s growth pattern changes
• Embryo implanted earlier/later
• You are carrying twins or multiples
• Medical conditions require early delivery

Even with precise IVF timing, regular monitoring ensures the safest and most accurate due date.

6) How soon can I take a pregnancy test after IVF?

Waiting for results after IVF can be emotional. Here’s the timeline:

After Fresh or Frozen Embryo Transfer
Day 3 Embryo: 12–14 days after transfer
Day 5 Embryo: 9–11 days after transfer

Blood Test (Beta HCG):
• Done at Hegde Fertility on Day 10 or Day 14
• Highly accurate
• Quantitative
• Most reliable early confirmation of pregnancy

A strong rise in HCG levels indicates a healthy early pregnancy.

7) A word from hegde fertility

Your IVF journey is filled with courage, hope, and emotional strength. At Hegde Fertility, we understand the depth of this journey and walk beside you at every step.

Whether your embryo was transferred on Day 3 or Day 5, your due date marks the beginning of a beautiful chapter — bringing you closer to holding the baby you’ve dreamed of.

Our expert IVF specialists, embryologists, and compassionate fertility team guide you with science, care, and unwavering support.

Your journey matters. Your baby matters. Your happiness matters.