 [ Symptoms ] i took plan b about 36 hours after having unprotected sex what is the likely hood of being pregnant  also i read somewhere not to take it if you are over 165 pounds i am 175 is this an issue as well [ Disease ] hi biomechanical point of veiw suggests that you avoid high heels completely however physical theraby focused on streching ilieopsoas and strengthning gluteus maximus can fix biomechanics allowing high heals good luck