The IVF Process Timeline: Start to Finish

If you are researching IVF for the first time, the most important thing to know upfront is this: a complete IVF cycle – from the start of ovarian stimulation to embryo transfer – takes approximately 4 to 6 weeks. Including your initial consultation, pre-cycle testing, and preparation, most patients should plan for 2 to 3 months from the first appointment to the pregnancy test.

That timeline can feel long when you are ready to move forward. But every phase has a purpose, and knowing what is coming at each step makes the process significantly easier to manage.

This guide walks you through the full IVF process timeline exactly as we explain it to our patients at RSMC: clinically precise, practically grounded, and honest about what to expect.

IVF Timeline at a Glance

The table below summarizes the full IVF process timeline from first consultation through to pregnancy confirmation.

Phase 1: Initial Consultation and Pre-Cycle Testing – 2 to 4 Weeks

Your IVF process begins with a consultation with one of our reproductive endocrinologists. Expect a substantive clinical conversation, not a quick intake. Your physician will go through your reproductive history, any prior treatments, your diagnosis, and your family-building goals. For international patients, this appointment also addresses the practicalities of cross-border care coordination.

Before stimulation can begin, your care team needs a complete picture of your ovarian reserve and overall reproductive health.

For female patients, testing typically includes:

• AMH (Anti-Müllerian Hormone) – measures ovarian reserve and expected response to stimulation. According to ASRM guidelines, AMH is one of the most reliable predictors of IVF outcome
• Antral follicle count (AFC) ultrasound – counts resting follicles visible on transvaginal ultrasound
• Day 3 FSH and estradiol – baseline hormonal status
• TSH and prolactin – thyroid dysfunction and elevated prolactin can both interfere with ovulation and early pregnancy
• CBC and infectious disease panel (Hepatitis B/C, HIV, RPR – FDA-required)
• Uterine cavity evaluation – sonohysterogram (SIS) or hysteroscopy to rule out polyps, fibroids, or structural concerns before stimulation begins

For male patients: semen analysis (count, motility, morphology), sperm DNA fragmentation if indicated, and an infectious disease panel.

Your AMH and AFC results together give your doctor the data to design your stimulation protocol. If the semen analysis reveals concerns about sperm count or motility, intracytoplasmic sperm injection (ICSI) may be recommended – a technique in which a single sperm is injected directly into each mature egg – to maximize fertilization rates.

Phase 2: Pre-Cycle Preparation – Birth Control and Suppression – 1 to 4 Weeks

Taking birth control at the start of an IVF cycle is one of the things that surprises patients most. The reason is practical: oral contraceptive priming puts all follicles on the same developmental clock. It prevents one follicle from racing ahead of the others, and it gives your care team a predictable window to begin stimulation, which matters when coordinating an outpatient procedure like egg retrieval.

The OCP phase typically runs for 2 to 3 weeks, depending on where you are in your natural cycle when you start. Combined with the suppression check and any scheduling gaps, total pre-cycle preparation spans 1 to 4 weeks.

For patients on a long Lupron (GnRH agonist) protocol, a suppression injection (leuprolide acetate) begins around Day 21 of the preceding cycle. Lupron suppresses premature LH release for approximately 10 days before stimulation begins. After this suppression phase, you will come in for a suppression check, a transvaginal ultrasound, and a blood draw confirming your ovaries are quiet, and your estradiol level is appropriately low. If everything looks right, stimulation can begin.

Many patients at RSMC follow an antagonist protocol instead, in which suppression medication is introduced only once stimulation is already underway. Your physician will recommend the protocol best suited to your ovarian reserve, age, and previous response history.

Phase 3: Ovarian Stimulation – 8 to 12 Days

Ovarian stimulation is the phase most people picture when they think about IVF: the daily injections, the monitoring appointments, the feeling that something significant is happening.

Stimulation begins on Day 2 or Day 3 of your menstrual cycle (Day 1 = first day of full flow). Your physician will prescribe gonadotropin injections – follicle-stimulating hormone (FSH) medications such as Gonal-F or Follistim – to stimulate your ovaries to develop multiple follicles simultaneously rather than the single egg released in a natural cycle.

The goal is controlled ovarian hyperstimulation: encouraging as many mature follicles as possible, without pushing the ovaries into ovarian hyperstimulation syndrome (OHSS). Your care team monitors this balance closely throughout.

Your Monitoring Schedule During Stimulation

Monitoring appointments follow a structured schedule. Knowing this in advance lets you plan your work calendar and eliminates the anxiety of not knowing when you will next be seen.

Phase 4: Trigger Shot and Egg Retrieval – 36 Hours + 1 Day

The Trigger Shot

When monitoring confirms that enough follicles have reached target size, your physician will instruct you to administer the trigger shot – a final injection of human chorionic gonadotropin (hCG), such as Ovidrel, or in some protocols, a GnRH agonist trigger. This shot completes the final maturation process of your eggs.

Timing is critical. Egg retrieval is scheduled exactly 36 hours after the trigger injection. The shot must be given at the precisely specified hour – not earlier, not later – because the window between final maturation and natural ovulation is narrow.

Egg Retrieval

Egg retrieval is a brief outpatient procedure performed under IV sedation. You will be comfortable and unaware during the process. A transvaginal ultrasound probe guides a thin aspiration needle through the vaginal wall into each ovarian follicle, and the follicular fluid containing the eggs is gently suctioned out.

The procedure itself takes approximately 20 to 30 minutes. You will spend another 1 to 2 hours in recovery and will need someone to drive you home. Most patients return to normal activity the following day. Some mild cramping and bloating are expected for 24 to 48 hours.

Your embryology team will notify you of your egg count the day of retrieval and will update you each day as your embryos develop.

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Phase 5: Fertilization and Embryo Development – Days 0 to 6

Day 0: Fertilization

On the day of retrieval, your eggs are assessed for maturity in our embryology laboratory. Mature eggs are fertilized either by:

• Conventional IVF – sperm are placed in a dish with the eggs, and fertilization occurs naturally, with the most capable sperm penetrating the egg
• ICSI – a single sperm is injected directly into each mature egg using a fine needle. ICSI is recommended when sperm parameters are abnormal, when fertilization rates are a concern, or when eggs or sperm have been previously frozen

Day 1: Fertilization Check

The morning after retrieval, the laboratory checks which eggs have fertilized successfully. A normally fertilized egg – called a 2PN embryo – will show two visible pronuclei: one from the egg, one from the sperm. Fertilization rates typically range from 60 to 80% of mature eggs.

Days 3 to 6: Embryo Culture and Grading

Embryos are cultured in our laboratory incubators and observed closely as they divide and develop. At RSMC, embryos are typically cultured to the blastocyst stage – Day 5 or Day 6 of development.

A blastocyst consists of approximately 100 to 200 cells organized into two distinct structures: the inner cell mass (which becomes the baby) and the trophectoderm (which becomes the placenta). Blastocyst-stage transfer is associated with higher implantation rates compared to Day 3 transfers, and it gives our embryologists more information for embryo grading – assessing expansion, inner cell mass quality, and trophectoderm quality to identify the strongest embryo for transfer.

Phase 6: Embryo Transfer – Fresh Transfer vs. Frozen Embryo Transfer

For a fresh transfer, the embryo is placed in the uterus on Day 5 after egg retrieval – once it has reached the blastocyst stage. In some cases, a Day 3 transfer may be recommended if fewer embryos are available. For a frozen embryo transfer (FET), the transfer takes place in a separate cycle approximately 4 to 6 weeks after retrieval – plan for roughly an additional month and a half if you are not doing a fresh transfer.

Fresh Embryo Transfer

In a fresh transfer, the uterine lining has been developing naturally throughout the stimulation cycle. Before transfer, your doctor will confirm via ultrasound that the lining has reached an adequate thickness – typically 8 to 12 mm.

The transfer itself takes approximately 10 to 15 minutes. A thin, flexible catheter is guided through the cervix into the uterine cavity under ultrasound guidance, and the embryo is gently deposited. No anesthesia is required – most patients describe it as similar to a Pap smear. You can resume light activity the same day.

Progesterone supplementation – via injections, vaginal suppositories, or a combination – begins the day after egg retrieval and continues through the early post-transfer period. For patients with prior implantation challenges, your physician may discuss endometrial scratching as an additional preparation step.

Frozen Embryo Transfer – 4 to 6 Weeks

A freeze-all approach is increasingly common. Your physician may recommend it when progesterone rises too early in the stimulation phase, when there is a risk of OHSS, when PGT is being performed, or when the uterine lining did not develop optimally – a separate FET cycle gives the lining a fresh, unmedicated preparation.

A FET cycle runs approximately 4 to 6 weeks: estrogen supplementation builds the lining (monitored by ultrasound to a target of 8-12 mm), progesterone is then introduced, and transfer is scheduled once lining parameters are confirmed. The procedure itself is identical to a fresh transfer, and frozen embryo transfer success rates at RSMC are comparable to – and in some cases exceed – those of fresh cycles, particularly for patients who undergo PGT.

Phase 7: The Two-Week Wait and Pregnancy Test – 10 to 14 Days Post-Transfer

The period between embryo transfer and your first pregnancy test – commonly called the two-week wait – is where the emotional weight of the IVF cycle tends to land hardest. There is nothing to do but wait, and every twinge gets interpreted.

Continue progesterone supplementation throughout this period. Home pregnancy tests are not recommended while you are on hormonal support, as they can give misleading results.

Most patients also notice physical symptoms and early signs after embryo transfer during this window – bloating, light spotting, or breast tenderness are common and do not reliably predict the outcome either way.

If the test is negative, your care team will review the cycle and discuss next steps. A negative first result does not mean IVF will not work for you – many patients who do not conceive on the first transfer succeed on a subsequent attempt.

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IVF With Preimplantation Genetic Testing (PGT) – Add 6 to 10 Weeks

Preimplantation genetic testing – formerly referred to as PGS (preimplantation genetic screening) – analyzes embryo cells for chromosomal abnormalities before transfer. It is the single most significant factor that extends the overall IVF timeline.

Here is exactly how PGT changes the IVF process timeframe:

PGT is typically recommended for patients with a history of recurrent miscarriage, a known chromosomal translocation, advanced maternal age (35+), or anyone who wishes to maximize confidence in the chromosomal status of their embryo before transfer.

IVF Insurance Coverage in California – SB 729

California’s Senate Bill 729 (SB 729), effective January 1, 2026, represents the most significant expansion of fertility coverage in California history. For patients on an eligible plan, IVF treatment – including up to 3 egg retrieval cycles, unlimited embryo transfers, and related medications – is now a covered benefit.

Coverage applies to fully insured, state-regulated health plans issued to employers with 101 or more employees. Self-funded (ERISA) plans, employers with 100 or fewer employees, and CalPERS (delayed until July 1, 2027) are exempt.

If you are unsure whether your plan qualifies, our team will confirm your coverage status before you begin treatment. For the full cost picture, see our overview of IVF pricing and financing options in California.

Frequently Asked Questions

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Julianna Nikolic

Chief Strategy Officer Julianna Nikolic leads strategic initiatives, focusing on growth, innovation, and patient-centered solutions in the reproductive sciences sector. With 26+ years of management experience and a strong entrepreneurial background, she brings deep expertise to advancing reproductive healthcare.