KERN COUNTY (CBS13) – A pregnant California woman had her boyfriend punch herself in the stomach several times in order to kill her baby, say police.

When the man and woman arrived at a Kern County hospital in May, the woman had bruises on her stomach, according to CBS affiliate WGCL-TV. The woman, who was 30 weeks along at the time, and said the injuries happened while she was mopping.

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When doctors removed the fetus from her abdomen, they found it had a fractured skull as well as other injuries that led to her death, according to the police affadavit.

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Police arrived at the hospital and questioned the woman who reportedly confessed that her boyfriend punched her stomach 10 times until she stopped feeling the baby move — something the boyfriend denies.

California law allows mothers to have an abortion up to 24-26 weeks into a pregnancy, or longer if a mother’s health is in jeopardy.

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Until the coroner’s report is completed, no charges will be filed against the couple.