The cervix is the space that exists between the vagina and the neck of the uterus, measures 3 centimeters of length and 2,5 cm of diameter approximately, and is in the final and deeper part of the vagina. Maybe in some opportunity, your pair came to a place in which you felt pain or another different sensation and this is due to the fact that it is possible that he has touched your cervix.
There are women who know very well the vaginal orgasm and also they practise and enjoy the clitoris orgasm but there are others female that are looking for new ways of obtaining orgasms as in the sex tantric or the cervical orgasm.
The first thing that you must do is to know your body, in order that you could indicate to your pair what he must do and where he must touch, also it is advisable that you are totally relaxed and without no emotional problem.
Some people say that if the vaginal orgasm or the clitoris orgasm are like to climb a mountain, the cervical orgasm is like to cross a mountain chain, due to the great quantity of raises and descents that are experienced during the sexual act.
Something that makes alike it to the tantric sex, that bases not so much in following a straight and rapid way towards the climax but in this one delays everything possible to reach a major intensity.
When the cervix is massaged you can react of several forms, some women feel pain and others feel pleasure. Normally it is a question of massaging the external part of the cervix using a finger or a vibrator. The cervix in addition can change position or the opening during the orgasm.
In this free video is possible to watch how a female rub her cervix and what happens in the cervix during the orgasm of a woman masturbating with a vibrator in the clitoris.