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

Table 4 Development of the contraction effect

	3 days (n\|%)	6 months (n\|%)
Contraction effect	3\|9.68	31\|100
No contraction effect	28\|90.32	0\|0

ISSN: 1472-6874

	3 days (n\|%)	6 months (n\|%)
Contraction effect	3\|9.68	31\|100
No contraction effect	28\|90.32	0\|0