there are multiple choices for your partner. she can use low dose oral contraceptive pills which are very safe these days. she can also use an IUD( intrauterine devise) if she has normal menstrual period and no infection. she can also use Mirena( a type of IUD). u or your partner can go for permanent sterilisation if ur family is complete. also, there are hormonal patches ( to be applied on skin) and rings available these days. consult a gynaecologist before opting for any choice. she would like to examine ur partner and then tell a suitable choice for u.