Evidence-informed educational overview. Your plan may differ based on age, diagnosis, ovarian reserve, sperm factors, prior treatment, and personal goals. This article does not replace individualized medical advice.
What IVF does
In vitro fertilization (IVF) brings eggs and sperm together in an embryology laboratory. Embryos are cultured for several days; an embryo may then be transferred to the uterus, while suitable additional embryos may be cryopreserved for later use. IVF is used for many fertility diagnoses and family-building paths, including tubal disease, male-factor infertility, endometriosis, unexplained infertility, fertility preservation, and treatment using donor gametes.
The main steps
- Planning and baseline evaluation. Your team reviews medical history, prior testing, ultrasound findings, ovarian reserve information, semen testing when relevant, medications, and treatment goals. Consent and financial counseling should occur before medications begin.
- Ovarian stimulation and monitoring. Injectable medications support the growth of multiple follicles. Ultrasound and bloodwork help the clinical team adjust doses and determine when the eggs are likely to be mature.
- Trigger and egg retrieval. A final maturation medication is timed carefully. Egg retrieval is generally performed under sedation using ultrasound guidance. Recovery instructions are individualized.
- Fertilization and embryo culture. Mature eggs may be inseminated with sperm or fertilized using intracytoplasmic sperm injection (ICSI) when clinically indicated. Embryologists monitor development in a controlled laboratory environment.
- Transfer or cryopreservation. Depending on the plan, an embryo may be transferred in the same cycle or embryos may be frozen for a later transfer. Preimplantation genetic testing may be discussed, but it is not appropriate or necessary for every patient.
- Pregnancy testing and follow-up. A blood pregnancy test is scheduled after transfer. If positive, repeat testing and early ultrasound are used as clinically appropriate.
What to ask before starting
- Why is IVF recommended for my situation?
- What are the alternatives?
- How will medication doses and monitoring be individualized?
- What are the plans for fertilization, embryo culture, transfer, and storage?
- What risks—including ovarian hyperstimulation and multiple pregnancy—apply to me?
- What costs are included, and what may be billed separately?
A realistic perspective
IVF is not a single procedure or a guarantee. Outcomes vary substantially with age, diagnosis, laboratory factors, embryo characteristics, and treatment history. A consultation should translate population-level information into a plan tailored to you.
Sources
Last reviewed: September 2026.
