 [ Symptoms ] me and my husband are very sexually active no birth control used period is 5 days late could i be pregnant  i have marfan is syndrome and it is important to know the chances of me being pregnant my husband wants to continue to wait and see if i get my period should i talk him into getting a test [ Disease ] hi hi found this in the mayo clinic may help one part of your problem with what you have complications of pregnancy marfan syndrome can weaken the walls of the aorta the main artery that leaves the heart during pregnancy a woman is heart is pumping more blood than usual and this can put extra stress on a woman is aorta — which increases the risk of a deadly dissection or rupture but i think a test asap would be the way to go good luck