Pig cervix penetration

This was done in order to demonstrate the coiling of the tip [glans] of the penis which is most marked during erection [in order to lock into the cervix of the sow and produce a seal against backflow of semen]. At coitus, human sperm are deposited into the anterior vagina, where, to avoid vaginal acid and immune responses, they quickly contact cervical mucus and enter the cervix. In both cases the spiral takes the form of a "left-hand thread". If the cannula does not retreat in relation to the catheter, positioning is correct. In "Reproductive Behaviour in Ungulates " [Editions: Now, my dirty mind starts working and I remember an old limerick about Clarence Cool …who was born with a spiral tool, etc…it is even less safe for work than the rest of this post, but I can e-mail you if you are interested and his sad predicament, wondering if handedness may be important. Therefore, it is advisable to thoroughly clean the vulva to avoid dragging particles and microorganisms into the female genital tract during insertion of the insemination device.

Femdom - Medical Clinic. The buzz of the night insects attracted by the light masked the sound of the pig approaching. She didn't know how long she had been unconscious, she couldn't tell. The girls were given a complete physical before the doc decided that they were ready for implantation.