By the 4th month is when the baby is able to suck its thumb, yawn, stretch, and make faces.
By the 4th month, or the second trimester of a pregnancy, is when unborns call yawn, stretch, and do all of the listed things above. This is usually the month where you can also identify if the unborn is a male or female, since by month four, they develop their genitals and also organs. <span />
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Often by the people that get sick you ask them who they have been around and have video of the people slowly you find them and often a doctor will have some type of evidence that this person had the disease's
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number 1 i believe is the righ answer
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water helps your kidneys get rid of waste from your blood stream through urine
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i hope this help and i wasn't to late