避孕藥事後避孕藥

避孕方法大全科普

避孕(Contraception)是应用科学手段使妇女暂时不受孕。 主要控制生殖过程中的三个环节:1.抑制精子与卵子产生;2.阻止精子与卵子结合;3.使子宫环境不利于精子获能、生存,或者不适宜受精卵着床和发育。免費玩避孕方法大全科普 APP玩免費免費玩避孕方法大全科普 App避孕方法大全科普 APP...

IIZY

Eenvoudige cloud software voor het registreren van uren, projecten en klanten. Werkt op iedere browser en ook op je mobiele telefoon of iPad. IIZY, ee...

IITD Connects

The official app for The Irish Institute of Training & Development (IITD) is packed with news, features, advice, and information for Learning and Deve...

IITF 2014

IITF’2014 – “Taking Business Across Boundaries”The 34th edition of the India International Trade Fair (IITF) is scheduled to be held from November 14-...