| Column-$I$ | Column-$II$ |
| $(a)$ Contraceptive pill | $(1)$ Ejaculated semen would not enter into the female reproductive tract |
| $(b)$ Condom | $(2)$ Inhibit ovulation and implantation |
| $(c)$ Sterilisation | $(3)$ Increase phagocytosis of sperms |
| $(d)$ IUDs | $(4)$ Blocks gamete transport |
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