After Transfer Information Sheet..No Cellphones??

Liv • 2ectopics=Tubeless=IVF. 35yo, 1st&2nd FET Neg, 3rd FET MC, 6wk👼🏻.4th FET Neg,5th FET ID twin boys born 28wks,4yo.6th & 7th FET failed.8th FET baby girl born 29wks.

Hi Everyone! I had my frozen embryo transfer yesterday. When I got home I read over some of the information for after transfer and one bullet point says. “Limit use of computers, cell phones and wireless devices.” Can anyone enlighten me as to why? Appreciate you all so much! ♥️♥️♥️