Homicide Offences Criminal Code, s. 233, 237 Hybrid

Infanticide

A female commits infanticide if she causes the death of her newborn when her mind is disturbed due to the effects of giving birth.

Last reviewed: July 2026 Section: Criminal Code, s. 233, 237 Classification: Hybrid
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Plain-Language Summary

Infanticide: The Law and the Penalties

Infanticide means a mother’s wilful act or failure to act caused the death of her newborn child while her mind was disturbed because she had not fully recovered from childbirth or because of the effects of lactation after the birth. It is a hybrid offence. The maximum is 5 years by indictment; summary penalties can also apply.

Infanticide: Section 233 of the Criminal CodeA federal act codifying most criminal offences in Canada states that a female commits infanticide if she causes the death of her newborn child by a wilful act or omission when her mind is disturbed as a result of the effects of giving birth. It is a law that is specific to women. It was added in 1948 because juries were refusing to convict mothers of murdering their own children and comes with less harsh sentencing. The penalty for infanticide is a maximum of five years imprisonment. There is no minimum penalty.

What is Infanticide?

Infanticide is considered one of the three categories of homicideIntentionally causing death under the Criminal Code of Canada, along with murder and manslaughter. There are two types of homicide: culpable homicideA killing where intent is proven and non-culpable homicide. If you intentionally cause the death of another person, or intentionally inflict bodily harm that you know is likely to cause death and you are not acting in self-defence or the defence of another, this would be culpable homicide. A non-culpable homicide includes deaths that happen as a result of an accident or in an act of self-defence.

Under s.233 of the Criminal Code, a female person commits infanticide when, by a wilful act or omission, she causes the death of her newly-born child, if at the time of the act or omission she is not fully recovered from the effects of giving birth and by reason of that, or of the effects of breastfeeding, her mind is then disturbed. A newly-born child is defined in law as a person under one year of age. Importantly, the law does not require a diagnosis of psychosis or any specific psychiatric condition. The threshold is that the mother's mind was disturbed at the time, which is a lower bar than a formal clinical diagnosis.

Every female person who commits infanticide is guilty of a hybrid offenceAn offence the Crown can proceed with summarily or by indictment., meaning the Crown may choose to proceed either by indictment or by summary convictionLess-serious criminal offences. According to a Supreme Court of Canada decision in 2016, R. v. Borowiec, s.233 provides that infanticide is both a stand-alone offence and a partial defence to a charge of murder. Infanticide convictions are rare, the Court noted.

What is Needed to Convict

To convict you of infanticide, the Crown must prove three things beyond a reasonable doubtThe high standard the Crown must meet to prove guilt..

First, it must prove that your act or omission was wilful, meaning deliberate, not accidental.

Second, it must prove that your act or omission caused the death of your newly-born child.

Third, it must prove that, at the time of the act or omission, your mind was disturbed because you had not fully recovered from the effects of giving birth or from the effects of breastfeeding.

The Crown does not need to prove that you intended to kill the baby. Infanticide does not require proof of murderous intent. That is what separates it from murder.

Charter issues may also matter if your arrest or the police investigation violated your rights.

Treated as an Indictable Offence

If you have been charged with infanticide, the Crown will choose whether to proceed by indictment or by summary conviction. Proceeding by indictment is the more serious route; summary conviction is the less serious route. Either way, you may be imprisoned if convicted.

Penalty for Infanticide

There is no minimum penalty for infanticide. The maximum sentence depends on how the Crown chooses to proceed. If the Crown proceeds by indictment, the maximum term of imprisonment is five years. If the Crown proceeds by summary conviction, the maximum is two years less a day, a fine of up to $5,000, or both. The right sentence in any case depends on the specific facts and circumstances.

Infanticide and the Criminal Code

Infanticide is one of the forms of culpable homicide. It applies where a mother causes the death of her newly-born child while her mind is disturbed from the effects of childbirth or lactation.

Possible Penalties

These are maximum sentences. Actual sentences depend on the facts, criminal history, and any mitigating or aggravating circumstances.

Infanticide — s. 237

Hybrid
Maximum penalty (by indictment)
5 years
How it proceeds
Crown may proceed by indictment or summary conviction

No section-specific summary maximum is stated; the general s. 787 default applies — a fine of up to $5,000 and/or imprisonment of up to two years less a day. No mandatory minimum.

What these words mean
Indictable
The more serious way to prosecute an offence. It can carry higher maximum penalties.
Summary conviction
The less serious, usually faster way to prosecute an offence, with lower maximum penalties.
Hybrid
An offence the Crown can prosecute either way — by indictment or by summary conviction.
Summary only
Summary-only offences are prosecuted by summary conviction. The Criminal Code sets the maximum penalty in the specific offence section.
Crown election
The Crown prosecutor’s choice of which way to proceed on a hybrid offence.

Possible Defences and Legal Issues

Infanticide — s.233

Section 237 does not list a special defence for infanticide. The Crown still has to prove the specific elements set out in section 233: that the accused caused the death of her newly-born child by a wilful act or omission, and that at the time she was not fully recovered from the effects of giving birth, or from the effects of lactation, and her mind was disturbed as a result.

Possible issues may still depend on the facts, the evidence, and whether the Crown can prove each part of the offence, including the required mental-disturbance element. This is general legal information, not legal advice.

Common Legal Terms

Terms marked with a dotted underline in the article above are defined here and available in the full site glossary.

Beyond a reasonable doubt
Glossary entry →
The high standard the Crown must meet to prove guilt.
Culpable homicide
Glossary entry →
A killing where intent is proven
Intentionally causing death
Hybrid offence
Glossary entry →
An offence the Crown can proceed with summarily or by indictment.
Summary offence
Glossary entry →
Less-serious criminal offences

Legal sources

The official statute section(s) this page is based on. Always confirm against the official source before relying on it.

Government References

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