Can Tramadol Cause Any Side Effects After Embryo Transfer?

i've done icsi this cycle and the night before my embryo transfer i took 300mg of tramadol..then before the procedure i took asecond dose of 300mg of tramadol..(total 600mg) i'm afraid that it will affect my baby if i get pregnant.. i found some articles that it is hurmaful only in chronic use..and that toxic expousure in the 1st 2 week after ferltalization may cause miscarraige not malformation...is that true?and in this period there is no pregnancy and if pregnancy occur it will be 2-3 days later when the drug is completly eliiminated from the body ...so this will cause no harm.... plz i want to be sure... also i need to know what the drug may cause if it affect the embryo?