The Excellent news is usually that although the prospect of multiples for every pregnancy is usually higher with IUI (8 – 30%) it differs drastically by medication and dosage – the multiples-for each-pregnancy danger is larger in IUI cycles utilizing gonadotropin than in Clomid or Letrozole IUI cycles. Cervical troubles https://infertilityanswers.com/how-does-artificial-insemination-work