i got married last year and now i want to get pregnant..normally i am very afraid of sex,for the past one year it dint get inside properly...whtever he ejected was outside..last time it got in..my periods comes usually 5 to 4 days before the due date of my last periods..but this time it came exactly on the same day on the 10th..(last mth date was 10th)i was expecting from the 6th onwards and i thought i was pregnant...but it came on 10th and i was very upset...as usual i had severe back ache and stomach ache, (always i have it before 1 week of my periods)...is it normal to experience pains before 1 week...and i always have less flow...only for 2or 3 days..so wht is my cycle...is it 28 days?when is the best day tomake sex inorder to conceive...should the penus go inside completely to get pregnant?plss let me know