Even though many efforts have been done for fifteen years since the birth of the world's first test tube baby, the rate of assisted reproductive delivery was still low. Nowadays, tubal replacement procedure becomes more popular than the uterine transfer. However, this technique still ends up with a very high incidence of abortion. Many workers claimed that coculture system resulted in more prom…
Even though many efforts have been done for fifteen years since the birth of the world's first test tube baby, the rate of assisted reproductive delivery was still low. Nowadays, tubal replacement procedure becomes more popular than the uterine transfer. However, this technique still ends up with a very high incidence of abortion. Many workers claimed that coculture system resulted in more prom…