 [ Symptoms ] could i be pregnant if i got my period the day after unprotected sex  the 23rd of august 2013 was the 1st day of my lmp just the very next day after unprotected sex on the 5th of september i had unprotected sex again but with a different partner today i took a hpt due to missing my period and it came back positive the question i have is is there any way of knowing which night of poor choices made i conceived please help or give input if able [ Disease ] the amount of exercise you would need per week depends on your overall health and fitness goals the american college of sports medicine recommends at least 150 minutes of moderate intensity brisk walking exercise per week for general heart health if you want to lose weight 250 minutes a week or more is suggested aerobic exercise can be broken into 10 minute bouts adding up to 30 minutes as long as the 10 minute sessions are at moderate intensity