How genital ulcers are investigated in Bangkok, how chancroid differs from syphilis and herpes, and why a multiplex ulcer PCR is the practical approach.
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What fetal fraction is, why a NIPT sample can return no result, what raises and lowers it, and why repeated failure is itself clinically meaningful.
How male fertility testing works in Bangkok: semen analysis preparation, which hormones to add, and what an abnormal result actually means.