Heavy bleeding after childbirth (postpartum haemorrhage) Heavy bleeding after childbirth is also known as postpartum haemorrhage (PPH), and is an emergency complication of childbirth. Postpartum haemorrhage is defined as a loss of 500ml or more blood from the genital tract in the first 24 hours after giving birth.
The afferent arterioles are a group of blood vessels that supply the nephrons in many excretory systems.They play an important role in the regulation of blood pressure as a part of the tubuloglomerular feedback mechanism.he afferent arterioles are a group of blood vessels that supply the nephrons in many excretory systems.
The kidneys are supplied by the afferent arterioles, which seliver blood for filtraiton in the glomerulus. The rate of blood flow through the afferent arterioles is known as the RENAL BLOOD FLOW, which typically measures about 20% of the cardiac output. The Efferent arterioles will carry blood out of the glomerulus back into the systemic circulation.