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Ivf injections: how many days...
Timeline with images of embryo development in IVF
Many fertility patients are curious about what exactly happens in the embryology lab, from the time their eggs are retrieved to the time they are transferred.
How many days after egg retrieval is embryo transfer
When people have answers to their questions about the details of embryo development, IVF can become a less mysterious process for them.
With that in mind, here is a day-by-day timeline of what happens in the embryology lab in IVF.
Day 0: Retrieval Day
This is known as your retrieval day.
On day 0, the eggs are retrieved from the follicles that have resulted from your ovarian stimulation. At this time the retrieved eggs are counted and assessed for maturity/quality.
The sperm is also prepped and readied for insemination or ICSI of the retrieved eggs.
Approximately 4-6 hours after your retrieval, the eggs will be inseminated or injected with sperm (ICSI). This image shows a mature egg (metaphase II) at the moment of ICSI.
Day 1: Looking for Fertilization
The eggs are evaluated for fertilization, the fusion or combining of the egg and sperm, approximately 16-18 hours afte
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