A "baby hatch" at a Tokyo hospital has been used for the first time since it was opened as an avenue for distressed parents to leave infants anonymously when they believe they cannot raise them, a source familiar with the matter said on Thursday.San-ikukai Hospital in Sumida Ward opened the "baby hatch" on March 31, becoming the second medical institution in the country to offer the service after Jikei Hospital in Kumamoto Prefecture, southwestern Japan, introduced it in 2007.The Tokyo hospital has vowed to be "the last line of defense" for the protection of babies' lives after seeing an in…READ FULL ARTICLE