The IVF process takes an egg and sperm, combines them outside the body, and transfers the resulting embryo into the uterus. A full cycle usually runs four to six weeks from the first stimulation injection to the pregnancy test, though the exact IVF timeline varies depending on the protocol and how your body responds along the way.

Why do people look this up

Most people don't start researching IVF procedure steps out of curiosity. They're usually a few months, sometimes years, into trying to conceive, and someone has just mentioned IVF as the next step. That's a lot to take in at once, and the uncertainty around what actually happens and how long it takes tends to be the hardest part before treatment even begins.

Understanding IVF

IVF exists to get around a specific problem: something is preventing sperm and egg from meeting and developing naturally, whether that's blocked fallopian tubes, low sperm count, ovulation issues, unexplained infertility, or age-related decline in egg quality. Instead of leaving fertilisation to happen inside the body, it happens in a lab, and only the resulting embryo gets placed back into the uterus.

IVF isn't usually the first option offered. Most fertility journeys start with simpler treatments, ovulation induction or IUI, and move to IVF when those haven't worked, or when the underlying issue makes IVF the more direct route from the outset.

Commonly suitable for:

Blocked or damaged fallopian tubes.
Severe male-factor infertility.
Diminished ovarian reserve or advanced maternal age.
Unexplained infertility after other treatments haven't worked.
Genetic conditions where embryo screening is needed before pregnancy.
Same-sex couples or single parents using donor sperm or eggs.

Consultation and preparation for the IVF process

Before any stimulation medicine gets prescribed, expect blood tests checking hormone levels, an ultrasound to assess ovarian reserve and uterine anatomy, and semen analysis for the male partner. Both partners are usually screened for infections that could affect treatment or pregnancy.

Your fertility specialist will also go through your full medical history, previous pregnancies, past surgeries, and current medicines. This is the point to mention anything that feels irrelevant; small details often end up shaping the protocol.

Practical preparation typically includes:

Stopping or adjusting certain medicines and supplements as advised.
Reducing alcohol and quitting smoking, well before the cycle starts.
Reviewing consent forms carefully, since IVF involves choices about embryo storage and, in some cases, disposal.
Arranging time off work around egg retrieval and embryo transfer.
Sorting out the financial side early, since IVF is rarely a single, predictable expense.

How the IVF Process Works?

Ovarian stimulation. The cycle starts with daily hormone injections, usually over eight to fourteen days, to encourage the ovaries to develop multiple eggs instead of the single egg a natural cycle produces. Several ultrasounds and blood tests happen through this stretch so the dose can be adjusted based on how your follicles respond.
Trigger shot and egg retrieval. Once follicles reach the right size, a trigger injection finalises egg maturation. Retrieval happens about 36 hours later, a short procedure under light sedation, where a thin needle collects the eggs directly from the ovaries under ultrasound guidance. It typically takes 20 to 30 minutes, and most people go home the same day.
Fertilisation. In the lab, eggs are combined with sperm, either by placing them together or, in cases of male-factor infertility, by injecting a single sperm directly into each egg (ICSI). Fertilisation is usually confirmed within 24 hours.
Embryo culture. Fertilised eggs grow in the lab for three to six days, developing into embryos. The embryology team monitors development and grades embryo quality, which helps decide which embryo, or embryos, are the best candidates for transfer.
Embryo transfer. A thin catheter places the chosen embryo into the uterus, a quick procedure that usually doesn't need sedation. Any remaining good-quality embryos can be frozen for future use. A pregnancy test follows in about ten to fourteen days.

Benefits and expected outcomes

IVF success depends heavily on age, the underlying cause of infertility, and embryo quality. Success rates are generally highest in people under 35 and decline gradually with age, particularly after 40. Genuinely, not every cycle results in pregnancy, and that's part of why many clinics discuss expectations in terms of cumulative success across a few cycles rather than a single attempt.

Risks and possible complications

Common, temporary effects: bloating and mild abdominal discomfort during stimulation, mood changes from the hormone medicines, mild cramping or spotting after retrieval or transfer, and fatigue through the stimulation phase.

Less common but more serious: ovarian hyperstimulation syndrome, where the ovaries overreact to stimulation medicine; infection or bleeding after egg retrieval, though genuinely rare; and multiple pregnancy, if more than one embryo is transferred.

Warning signs after retrieval or transfer that need prompt attention:

Severe abdominal pain or significant bloating.
Heavy vaginal bleeding.
Fever.
Difficulty breathing or rapid weight gain, which can point to ovarian hyperstimulation syndrome.

Recovery and aftercare for the IVF process

Most people feel back to normal within a day or two after egg retrieval, aside from mild bloating or cramping. Embryo transfer needs even less recovery time, usually just a quiet rest of the day.

Progesterone support, often as injections or vaginal suppositories, continues after transfer to support the uterine lining. Follow-up blood tests confirm pregnancy hormone levels if the initial test is positive, and an ultrasound a couple of weeks later confirms the pregnancy is developing as expected.

IVF timeline by stage

Pretreatment evaluation: two to four weeks, sometimes longer if additional testing is needed.
Ovarian stimulation: eight to fourteen days.
Trigger shot to egg retrieval: 36 hours.
Fertilisation confirmation: within 24 hours of retrieval.
Embryo culture: three to six days.
Embryo transfer: day three or day five post-fertilisation, or later if frozen.
Pregnancy test: ten to fourteen days after transfer.

Cost of IVF treatment in India

IVF cost varies with the specific protocol used, whether ICSI or additional techniques like genetic screening are needed, medicine doses, and how many cycles it takes. Factors that affect cost include the initial evaluation and diagnostic tests, the stimulation medicines themselves, egg retrieval and embryo transfer procedures, lab fees for fertilisation and embryo culture, and embryo freezing or storage if applicable.

When to see a doctor?

You've been trying to conceive for a year without success, or six months if you're over 35.
You have a known condition affecting fertility, such as blocked tubes, PCOS, endometriosis, or low sperm count.
Previous fertility treatments haven't worked.
Are you experiencing any of the warning signs listed above during an active IVF cycle?

Technology at Narayana Health

Narayana Health's fertility programme uses advanced embryology labs with time-lapse embryo monitoring, allowing the team to assess embryo development without disturbing the culture environment. Genetic screening options are available for couples who need embryo testing before transfer, and ultrasound-guided retrieval helps keep the procedure as precise and low-risk as possible.

Why Choose Narayana Health

Fertility specialists experienced across the full range of IVF protocols, not a single standard approach.
Embryology labs built specifically for IVF, with consistent quality control.
Personalised stimulation protocols based on ovarian reserve and individual response.
Transparent guidance on costs and realistic success rates from the very first consultation.

Conclusion

IVF can feel overwhelming from the outside, mostly because so much of it is unfamiliar territory the first time around. In practice, it follows a structured sequence: stimulation, retrieval, fertilisation, embryo culture, transfer, and then the wait for a pregnancy test, typically spread across four to six weeks.

Success isn't guaranteed on any single attempt, and that's worth knowing upfront, but for many people facing infertility, it remains the most direct path to pregnancy. Getting a clear picture of your own situation, through proper evaluation and an honest conversation with a fertility specialist, is the best way to know what your own timeline and odds look like.

Schedule a consultation with the Gynaecology & Fertility team at Narayana Health. Call us at 08068617735.