Hei Doc..I Had A Miscarrige 4 Mnths Before.nd My All

Hei doc..I had a miscarrige 4 mnths before.nd my all tests are normal my doc has advise me to take fertisure f becuse my husband wants us to conveiv naturally..nd my age is nly 25 yrs nd we are 2md cousins also.my husband age is 32 nd my blood goup is o-ve nd husband is o+ve for that doc has injected a injection so there wud b no pregnancy problems in future