Thanks for your query,
Some ingredients of proxyvon are category C drug. There is not much studies and information regarding its effect on fetus. So proxyvon as the causative agent cant be ascertained. All the drugs should be given in pregnancy
after consultation of doctor .
has reported negative results, one said there is fetus with no heat beat (not viable ) and the other said there is nothing. The results are not matching. So you need a third opinion.
This type of problems may occur in many cases due to harmonal or genetic problem.
Take care and best of luck..
Hope it helps you..