Is NT value 13mm normal?

Women need to do NT tests during pregnancy, usually around 13 weeks of pregnancy. It mainly screens for congenital and genetic diseases in the baby by checking the transparency of the fetal mirror. During the NT test, it can basically detect whether the fetus has 21-3 body syndrome, but Down syndrome screening is still needed in the later stage. So is it normal for the NT value to be 13 mm?

Is 1.3mm normal at 13 weeks of pregnancy?

The t index refers to the thickness of the fetal nuchal translucency, which can reflect the fetus's congenital genetic diseases. An nt value of 1.3mm at 13 weeks of pregnancy is normal. Generally speaking, a value less than 2.5mm is normal. When it exceeds 3.0mm, amniocentesis should be performed to check the fetal chromosome karyotype analysis.

Fetal development at 13 weeks of pregnancy

Wrinkles form on the fetus's face, fingernails begin to grow, the roots of the 20 deciduous teeth begin to form, the vocal cords begin to form, and organs such as the pancreas, liver, stomach, and lungs begin to function. The fetus' eyes are more prominent on the forehead, the distance between the eyes is smaller, the little hands can make fists, the toes and soles of the feet can also bend, and the eyelids are still tightly closed.

At this time, if the mother touches her bulging belly, the baby in her belly will kick, which is very magical. Although the chance of miscarriage is greatly reduced now, pregnant women with a history of miscarriage should still be vigilant. However, there is no need to worry too much. The fetus at this time is already stronger and can protect itself well.

The above is shared with everyone: Is it normal for the nt value to be 1.3mm at 13 weeks of pregnancy? I believe that everyone has a clearer understanding of the NT value. Generally, an NT value less than 2.5 mm is normal. At the same time, I also shared with you the development of the fetus at 13 weeks of pregnancy. At this time, the various organs of the fetus have matured and can play their respective roles, and the teeth have also begun to form.

33 Can silkworms eat lettuce?

In many rural areas of our country, people make their main business by raising silkworms, and get rich by raising silkworms. Silkworms can produce a lot of silk, which can be sold at a high price. However, raising silkworms is also a technical job. Mulberry leaves must be prepared for silkworms to eat, because silkworms love to eat mulberry leaves the most. However, not all places have mulberry trees, so sometimes it is necessary to feed silkworms some other vegetables. So, can silkworms eat lettuce?

No, because cabbage contains a lot of water, which is harmful to silkworms if eaten, and silkworms will not eat cabbage.

1. Silkworms can be divided into several types, including mulberry silkworms, tussah silkworms, natural silkworms and amber silkworms. Different types of silkworms eat different things.

2. Silkworms are oligophagous insects. In addition to mulberry leaves, they can also eat lettuce leaves, mulberry leaves, paper mulberry leaves, elm leaves, duck chives, dandelions and lettuce leaves. Mulberry leaves are the most suitable natural food for silkworms.

3. The tussah silkworm feeds on the leaves of plants of the genus Quercus in the Fagaceae family, such as Quercus oxyphylla, Quercus mongolica, and Quercus truncatula. It can also feed on the leaves of plants such as Artemisia selengensis, Salix matsudana, chestnut, maple, pear, and apple.

4. The silkworm feeds on the leaves of plants of the genus Quercus in the Fagaceae family, such as the Liaodong oak, Mongolian oak, Shuanpi oak, and sharp oak.

5. Amber silkworms can eat leaves of several plants, mainly nanmu leaves, but also eat leaves of evergreen trees such as Rubiaceae and Tigerthorn, as well as leaves of plants such as Michelia and Cinnamomum.

There are several types of silkworms, including mulberry silkworms, tussah silkworms, natural silkworms and amber silkworms. Different types of silkworms eat different things.

1. Silkworms are oligophagous insects. In addition to mulberry leaves, they can also eat lettuce leaves, mulberry leaves, paper mulberry leaves, elm leaves, duck chives, dandelions and lettuce leaves. Mulberry leaves are the most suitable natural food for silkworms.

2. Tussah silkworms feed on the leaves of oak, Mongolian oak, Quercus, etc. They can also eat the leaves of Artemisia selengensis, Yamdrok, chestnut, maple, pear, apple and other plants.

3. The silkworm feeds on the leaves of the Liaodong oak, Mongolian oak, Shuanpi oak, and sharp oak.

4. Amber silkworms can eat leaves of several plants, mainly nanmu leaves, but also eat leaves of evergreen trees such as Rubiaceae and Tiger thorn, as well as leaves of plants such as Michelia and Cinnamomum.