Involuntary tightening of the muscles around the vagina is referred to as vaginismus.There is usually no physical cause. It is a distressing condition that can potentially stop your sex life, cause relationship problems or even prevent you from starting a family.
The commonly available emergency contraceptive pill is taken as a single dose, but can also be split as two doses over a 12 hour interval. Its common trade name is Levonelle (but also available in other names), and should be taken within 3 days of unprotected sex for maximal effect.
You need to consult a doctor when you notice new or unusual lumpiness that does not change with the menstrual cycle. Skin changes on the breast that warrant consultation include redness, itchiness and dimpling. And if the nipple has an unusual discharge, turns inwards or becomes flatter, a consultation is also indicated