Keep it simple and keep on practising! You could slip a pillow under your hips to elevate the pelvis, and try not to get up immediately afterwards lie nice and snuggle for a bit - pelvis elevated of course. Have you considered a visit to your doctor just for a general check up
hi, i was using no contreception for 18 months and never fell pregnant - until i got a smear test done i know someone else this happened to also - basically as the cervix was 'scraped' that 'cleared the way' - try that ! xxx