Fundamentally, embryos can be frozen as long as the cryoprotectant solution is available. Studies found the longest embryo freezing period is 14-year storage. After thawing and transfer, using this 14-year frozen embryo can make a success as well.
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When women reach puberty at the age of 9-12, they will have the ovulation every 21-35 days. During the first half of menstrual cycle, several follicles are growing up inside the ovary.
Fallopian tubes, or oviducts, are small tubes located on both sides of the uterus. The trumpet’s bell-like shaped on the end part close to the ovary works as a pathway conveying eggs to the fallopian tube to fertilize with sperm.



