Answer:
The fact that you can concieve at any time during your cycle is true but not completely true the fact is that a woman is most fertile during her ovulation cycle the average cycle is 28 days long so some where along the half way point for about a week in between your cycles you are most likely to conceive. But when you ovulate is according to your own body chemistry
No, it's not. Always use protection if you wish not to get pregnant. You can still get pregnant while having your period, regardless of what day it is.