Infinitive. to impact
Past. impacted
Past participle. impacted
Gerund. impacting
Shoulder dystocia occurs when the infant's shoulder becomes impacted on the mother's pubic symphysis during birth.
Done to: shoulder
High birth weight may also impact the baby in the long term, as studies have shown associations with increased risk of overweight, obesity, and type 2 diabetes mellitus.
Done to: baby
At time: in the long term