Hi,am 37 years old live in Uganda Africa, i did 4th Cycle I.V.F and lost it at 5 months(Twins) in October last year due to chorio Amniotis,Doc said must have come from the stitches that i had at 14 weeks(Cevical)i plan to do another cycle toward the year end,i want to travel first before that and i need Yellow fever vacine,is it safe?