Match List I with List II with respect to specific contraceptive methods and their features. List I List II A LNG-20 1 Suppresses sperm motility and fertilising capacity B Saheli 2 Makes uterus unsuitable for implantation C Multiload 375 3 Non-steroidal preparation taken once a week D Vaults 4 Reusable barrier that covers the cervix Choose the correct answer from the options given below:

Step-by-step solution

LNG-20 is a hormone-releasing Intra Uterine Device (IUD) which makes the uterus unsuitable for implantation and the cervix hostile to sperms. Thus, A matches with 2. Saheli is an oral contraceptive pill for females containing a non-steroidal preparation. It is a 'once a week' pill with very few side effects and high contraceptive value. Thus, B matches with 3. Multiload 375 is a copper-releasing IUD. The released copper ions suppress sperm motility and the fertilising capacity of sperms. Thus, C matches with 1. Vau