 [ Symptoms ] my husband had a minor heart attack three days ago we have a vacation scheduled in a few weeks is it safe to travel [ Disease ] there is no clear evidence that activitiy restrictions after an embryo transfer increase pregnancy rates  most of the reproductive endocrinologists that i work with do advise light activity for a few up to 14 hours but not strict bed rest personally i do advise patients to avoid sexual intercourse for up to a week because the prostaglandins in semen can cause strong uterine contractions again i believe that this is empiric as i do not know of good evidence that demonstrates that intercourse lower the chances of conception unfortunately we do not have evidence to support everything that we do 