A senior investigating officer in the case for West Midlands Police said they are disappointed with the length of the sentences.
Detective Inspector Sharon Naughton said they had been expecting longer.
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The following suggestions might be useful to support positive mental wellbeing for all dads.
Matt Padley from Long Eaton describes why it was so important to seek help after he suffered depression after the birth of his second child.
Matt Padley from Long Eaton was severely depressed after the birth of his second child, but says his GP told him to "pull himself together"