Drinking alcohol during pregnancy can indeed cause severe damage to an developing embryo. This is completely true. This is also the reason why pregnant women should avoid drinking alcohol and why it's not good to do so for them.
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Always remain vigilant for people in the water at all times, as carelessness is one of the main reasons for propeller strikes against people in the water. Always wear an engine cut-out switch lanyard and a PFD or life jacket at all time