[GoldenMonkey1]

what you are reading on the internet is general knowledge.

Dont try if you are not sure, or not ready to be a father.

Here is a tip, most, not all woman ovulate only once in their period, after 24 hours, the egg dies, and you can shoot all you want. there is a small population of woman who ovulate twice a month. In the market, there is something call the ovulation test kit, which is 99% accurate. Your sperm can survive up to 5 days inside her, so do your maths.

The problem is to determine when your wife / gf is going to ovulate, thats the blackout window. Ovulation can start as early as day 6 and as late as day 27, if you are talking about a regular 28 day period. so in actual fact, there is no real safe window, till you know if your gf/wife have ovulated a not.

Just my 2 cents.