miscarriage rates following cleavage stage vs blastocyst stage embryo transfers

Job ID: 33068184

Budget: $1,500 – $3,000 AUD

retrospective data review 5000 data sets of pregnancies of either cleavage stage (day 3) embryo transfer, or blastocyst stage (day 5) embryo transfers. I am seeking to identify if various factors may influence the miscarriage rate once implantation has already occurred.

I've done student T-tests but the feed back on the stats analysis is 'too basic'. not sure if these can be derived/presented in different ways and looking to get statician input