What Is Histamine? Histamine is an important part of your bodyâs immune response, but high levels of the chemical compound can cause health problems. Histamine is a chemical produced in cells throughout the body as part of the bodyâs inflammatory response to allergy, infection, or injury. When damaged or exposed to allergens, cells in the skin, nose, throat and lungs release histamine, resulting in pain, itchiness, redness, runny nose, and wheezing.
37 Weeks Pregnant. Your baby is the size of a large cantaloupe. Your doctor may check for labor signs, while your baby prepares for birth by sucking, turning and breathing in the womb. Your doctor may check for labor signs, while your baby prepares for birth by sucking, turning and breathing in the womb.
When a woman is pregnant, her date of confinement is generally her due date, or the date when she is expected to give birth. The doctor determines the woman's estimated date of confinement based on the first day of her last menstruation. A full-term pregnancy usually is 37 to 42 weeks, with the due date somewhere in the middle.