https://www.statecraft.pub/p/how-to-commit-a-coup Edward Luttwak's thoughts on foreign policy and the CIA's refusal to recruit people who know foreign languages (because people who travel abroad are thought too risky to clear)
pregnancy affects thyroid hormone levels.
TSH is typically lower during pregnancy, while T3 and T4 are higher. this means that using non-pregnant reference ranges may miss cases of hypothyroidism relative to "normal" pregnancy levels. https://pmc.ncbi.nlm.nih.gov/articles/PMC4758281/