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The reasons for postnatal depression of some women are totally unknown, but there are some plausible explanations. |
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Even though very little is known why women experience postnatal depression, some explanations seem plausible. |
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Nobody knows the reasons for postnatal depression experienced by women, but there are some explanations that seem plausible. |
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Although no one knows for sure why women suffer from postnatal depression, a few explanations seem plausible. |
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In spite of some plausible explanations, nobody knows for sure why some women experience postnatal depression. |