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.
This represents an important change from the old understanding under which pregnancy was considered full term from 37 weeks to 42 weeks. The new set of definitions breaks down like this: Early term: 37 weeks to 38 weeks and 6 days. Full term: 39 weeks to 40 weeks and 6 days. Late term: 41 weeks to 41 weeks and 6 days.