This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
Late deceleration indicates 
Select and explain. 
A. Head compression, B. Cord compression, C. Foetal hypoxia, D. Breech presentation
C: Foetal hypoxia
Answer: C: Foetal hypoxia 
Explanation: Deceleration pattern - Three types Early deceleration - due to head compression Late deceleration - chronic placental insufficiency Variable deceleration - cord compression Sinusoidal pattern - It is stable baseline FHR with fixed base line variability without any acceleration. If is often associated with fetal anaemia, feto-maternal haemorrhage, fetal hypoxia, and when narcotics are given to mothers