One IVF cycle is usually enough
Getting specific, universally applicable statistics for an IVF cycle is challenging because the numbers are highly dependent on the woman's age and underlying fertility factors. However, we can provide some general ranges and percentages to help you understand the typical "attrition" that occurs at each stage. D1. Average Number of Eggs After Ovarian Stimulation The average number of eggs retrieved varies significantly by age. A good target for many clinics is to retrieve between 10 to 20 mature eggs to maximize the chances of a successful pregnancy. Women under 35: Typically, they can expect to have 15-20 eggs retrieved. Women 35-40: The average number decreases to 8-12 eggs. Women over 40: This number can drop to 5-10 eggs or fewer. It's important to note that not all retrieved eggs will be mature or viable for fertilization. D2. Average Number of Embryos After Fertilization The fertilization rate is the percentage of mature eggs that successf...