公式タイトルと情報はIP Exchange PlusとPremiumのユーザーのみが利用可能です。
特許 係属中 Birth control, also known as contraception and fertility control, are methods or devices used to prevent pregnancy.[1] Planning, provision and use of birth control is called family planning.[2][3] Birth control methods have been used since ancient times, but effective and safe methods only became available in the 20th century.
追加情報の詳細を見るにはIP Exchange PlusまたはIP Exchange Premiumアカウントにアップグレードする必要があります
