I need to help someone to be mother

How can pregnancy occur ?
Pregnancy occurs as a result of fertilization of an Ovum from the mother by a sperm from the father during the days of ovulation
How can you increase the possibility of pregnancy?
Intercourse as close to ovulation days as possible , Choosing a suitable position for the sexual process, which is preferably the woman and the woman in prostration and staying for a while after the completion of intercourse in the same position , The husband should not wear tight pants or tight underwear , The wife should eat a lot of meat, fish and fresh fruits , Eat multiple meals during the day and eat appetizers , Couples should avoid eating cheese, dairy and legumes , Increase your chocolate intake ,Take a multivitamin tabs  and Take folic acid pills once a day
How to know ovulation days and the safe days in period ?
Despite the length of the menstrual cycle, the days of ovulation begin on the 14th day of the menstrual cycle
how to confirm pregnancy ?
( blood test ) HCG hormone test : after 25th day of the current period and ultrasound test : second week of the next period 
Early pregnancy signs :

• delayed period 
• increase vigainal discharge 
• abodiminal discomfort 
• change in mood status