Experts say increasing population one of the biggest issues facing Pakistan.
Experts give credit to successive govt campaigns for the decline
No Muslim family should engage in birth control: Turkish President Recep Tayyip Erdogan
'We will multiply our descendants' he said in a speech in Istanbul broadcast live on television
Doctor Rahmatudine says 'We asked them (mullahs) to show us proof that family planning is illegal (in Islam)'
Health officials say it is necessary to link all organisations working for the cause