What are the main steps of an IVF cycle from stimulation to embryo transfer?

• A. Oocyte retrieval, fertilization, embryo transfer, luteal support
• B. Ovarian stimulation, monitoring, trigger, oocyte retrieval, fertilization, embryo culture, embryo transfer, luteal support
• C. Embryo transfer first, then stimulation
• D. Testicular biopsy and IVF only

Answer: (B)

The main idea is the typical sequence of an IVF cycle from starting ovarian stimulation through embryo transfer and subsequent luteal support. It starts with stimulating the ovaries using medications to produce multiple follicles, then monitoring the response with ultrasound and hormone levels to gauge progress. When the follicles are ready, a trigger shot is given to finalize oocyte maturation at the right time. Oocyte retrieval is performed to collect the eggs, which are then fertilized in the lab—either by standard IVF or by ICSI—followed by embryo culture to allow development to the stage suitable for transfer. Embryo transfer places one or more embryos into the uterus, and luteal support with progesterone is provided to support the uterine lining and early pregnancy. This sequence covers stimulation, monitoring, trigger, retrieval, fertilization, culture, transfer, and luteal support, which is why it’s the best answer. The other options omit or reorder key steps (such as starting with transfer, or skipping stimulation), or include unrelated procedures.