Thank you for your query.
During the IVF procedure, you are given multiple medications / injections containing a variety of hormonal
It is common to have light brown spotting
especially after embryo transfer
Please do not read much into this.
You would conclusively know if it is a positive pregnancy
result only after your tests on 25th January.
Till then, do not panic over the mild spotting.
take care. and all the best.