結果 : what are some birth defects caused by smoking
1:00

Birth Defects - What Causes Birth Defects?

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What are the causes of birth defects?

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Birth Defects | Causes, Symptoms, Treatment.

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WHAT ARE BIRTH DEFECTS?

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How smoking affects your baby when you're pregnant - an expert view from a midwife

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Seattle Children's: Smoking during pregnancy doubles risk of infant death

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Why is smoking so dangerous for women who are pregnant?

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Smoking can impact child's health before conception

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Smoking and Reproduction: What are the risks?

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