Community medical question

I’m married from 9 years we don’t have kids due to my husband medical problem ( non obstructive azzospermia).we face 4 attempts of ivf failure..so now we decided to adopt a baby boy.with islmic point of view i wish that boy will be my mehram..for this purpose i decided to go with injections for lactation…so my question is that these injection are safe and successful in my case? And is they are available easily in Pakistan ?