id	keyword
hls-13084	ultrasound
hls-13084	health
hls-13084	knowledge
hls-13084	pregnant
hls-13084	women
hls-13084	attitudes
hls-13084	factors
hls-13084	study
hls-13084	antenatal
hls-13084	care
hls-13084	pregnancy
hls-13084	palu