Natural IVF Started It All
The first IVF baby ever, Louise Brown, was born on July 25, 1978 via natural IVF. At the time, fertility experts didn’t know what they do now about stimulating the ovaries to produce multiple follicles. They had to use the woman’s natural cycle for IVF treatment and their success rate never went above 10%.
The fertility industry as a whole, and IVF treatment in particular, have changed a lot since that time. Now most IVF cycles are conventional IVF, a cycle of ovarian stimulation producing multiple egg follicles that can be harvested in one procedure to produce multiple embryos ready for implantation or freezing.
Difference Between Conventional IVF and Natural IVF
A conventional IVF cycle uses a series of fertility drugs to stimulate the ovaries so they produce multiple mature eggs. The eggs are retrieved during a minor surgical procedure and exposed to sperm to produce embryos. If the sperm to be used is good quality, the eggs can be mixed with it and the eggs that can be fertilized will be.
Not all eggs retrieved are good quality and able to be fertilized. In approximately 50% of IVF treatment, the sperm is introduced to the egg through a process called Intracytoplasmic sperm injection (ICSI). In ICSI the sperm is injected d