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I hope you mean 4.2 "inches?" At 18 weeks a fetus should measure 5-6 inches in length. Due to twin fetus' the length could vary to smaller lengths. It seems to be close to the range indicated but a little on the small size.

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16y ago

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What is the normal density of emulsion paints?

The normal density of emulsion paints typically ranges from 1.2 to 1.6 grams per cubic centimeter.


Why do you think that relatively few fetuses with chromosomal trisomy survive to birth?

Relatively few fetuses with chromosomal trisomy survive to birth primarily due to the severe developmental abnormalities and complications that arise from having an extra chromosome. These chromosomal imbalances often lead to significant disruptions in normal growth and organ development, resulting in miscarriage during the early stages of pregnancy. Additionally, the majority of trisomic conditions, such as trisomy 18 and 13, are associated with high rates of stillbirth or neonatal death, further reducing the number of viable births. As a result, only a small percentage of affected fetuses reach full term and are born alive.


You are sure you'm not pregnant I'm having your period and today is the 4th day milk just came out of your breasts is it normal?

You're having my period? Thank you! I hate when I have it. But I just recently had twins so it's normal for me to have milk come out of my breasts and no I'm not pregnant... not THIS soon! Are you kidding?


How do you find how many viruses you average you have about 1 million microbes per square centimeter of skin on a square centimeter on the outside of your ear how many viruses can you expect to find?

Your guess would be about one million microbes including viruses. But very little is known about the prevalence of viruses on normal skin. Traditionally, viruses on the skin have been termed pathogenic, ie harmful, but recent research disputes this.


How many bacteria live in your ear?

The number of bacteria living in the ear can vary, but on average there are about 1,000 to 100,000 bacteria per cubic centimeter in the ear canal. These bacteria are part of the normal flora that help maintain a healthy balance in the ear.

Related Questions

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Is it normal to dialate at 36 weeks pregnant


Is cramping normal at 7 weeks pregnant?

i am seven weeks pregnant and i have cramping everyday is it normal


Is it normal to have your full period when pregnant?

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Is a burning sensation in the stomach normal when you're 7 months pregnant?

Is a burning senation normal in 7 months pregnant


Can no cramps before your period means you are pregnant?

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