During this case, the fetus is using its decompensation mechanisms to respond to gradually evolving hypoxia that has been going on for hours. With a short recap of the physiology behind ST Analysis, what are the next steps, how can we predict what comes next, and what actions can improve the fetus’s oxygenation?

Patient background

• G1 P0 
• Hypothyroidism 
• Raised UAD at 20/40 
• 28 and 36 week scan normal 
• 39+6 spontaneous onset labor 
• 4 cm dilated, requesting epidural