In antenatal care, the Biophysical Profile (BPP) is used for fetal surveillance. Which of the following parameters are included?

Correct option is A

BPP consists of 5 components: NST, FHR reactivity, fetal breathing movement, gross body movements, fetal tone, and amniotic fluid volume.
Explanation of options: (a) ✔ Correct; these are the validated BPP parameters. (b) ✘ Weight/length are growth measures, not BPP. (c) ✘ Maternal parameters are not part of BPP. (d) ✘ Doppler studies are separate surveillance tools, not included in BPP.