Obstetric anal sphincter injuries (OASIS): using transperineal ultrasound (TPUS) for detecting, visualizing and monitoring the healing process

Table 1 Baseline Characteristics

Characteristic	n\|%
First vaginal delivery	29\|93.55
Instrumental vaginal delivery	11\|35.48
Episiotomy (all mediolateral)	11\|35.48
Foetal macrosomia (> = 4000 g)	5\|16.13
Shoulder dystocia	3\|9.68
	Mean\|SD
Child’s weight (g)	3568.55\|489.34

ISSN: 1472-6874

Characteristic	n\|%
First vaginal delivery	29\|93.55
Instrumental vaginal delivery	11\|35.48
Episiotomy (all mediolateral)	11\|35.48
Foetal macrosomia (> = 4000 g)	5\|16.13
Shoulder dystocia	3\|9.68
	Mean\|SD
Child’s weight (g)	3568.55\|489.34