after you have finished with your periods and before the next periods starts .
yes, you have to be fertile to become pregnant.
You know that you are not pregnant .. if you had sex when you were un-fertile (but there is still a chance) and also .. You come on your period on the normal days you would have the other months
Do you mean, how you can get pregnant fast? If you want to have a child soon, you need to know about ovulation so you would know when is the fertile days. This is the period where a female have a higher chance to get pregnant. There are many ways to know if one is fertile or not, thus it is important to know the different signs of ovulation.
The fertile time is the most likely time to get pregnant.
On your fertile days.
Relax. If you are a man you are ok. You are not pregnant. However, If you are a woman either of three things - a) you're too young to be fertile b)you are pregnant c)you are too old to be fertile I would suggest either a)talking to your mum about the facts of life b)start talking to a doctor c)you should know better
No. You can get pregnant when you are fertile, in between periods.
You would not menstruate at all if you were pregnant, and in theory you would not have been fertile at the point you had sex, so you'd not fall pregnant. However unless you use fertility awareness method you can't know when you are fertile or not, so pregnancy is a possibility.
This would be very uncommon - 4 months is quite young for a male to be fertile enough to impregnate a female.
Female and fertile.
If you are fertile and female and the gynaecologist is fertile and male then the possibility exists.
Yes, a person has more of a chance to get pregnant when they are fertile.