TOKYO, Sept. 5 (Xinhua) -- Japan Association of Obstetricians and Gynecologists have announced that the number of in vitro fertilization (IVF) cases and infants born through IVF in Japan hit record levels in 2012, media reported Friday.
There were 330,000 IVF cases and 37,953 infants born through IVF in Japan in 2012, which meant one out of 27 infants born in the year was through IVF, while the proportion was one out of 74 a decade ago, said the association on Thursday.
IVF is a process by which an egg is fertilized by sperm outside the body.
With the increase of late marriage in Japan, the number of infants born are decreasing, moreover, infertility are distressing more and more older women.
Since 2004 when the Japanese government began to subsidize IVF treatment, couples receiving the treatment have been increasing.
In 1983, Tohoku University in Japan for the first time began IVF treatment and produced the country's first successful test- tube baby, baby conceived through IVF. Since then, there have been 341,750 test-tube babies in Japan.