This is an automatically translated article.
The article was professionally consulted by Doctor Department of Obstetrics and Gynecology, Vinmec Hai Phong International General Hospital.
Immediately after the egg is fertilized by the sperm, a complex but predictable process takes place to form a baby. Let's find out the development of the fetus at 14 weeks.
Fertilization usually takes place two weeks after the start of the last period. By convention, the due date is calculated 40 weeks after the first day of the last menstrual period, which means that the duration of the period is also included in the time of pregnancy, despite the fact that fertilization has not yet occurred. happen!
1. Fetal development at 14 weeks
The development of the 14th week fetus (equivalent to 12 weeks after fertilization) shows that the fetal neck is more clearly shaped, longer, the head is more straight, and the lower limbs are also developed quite a lot. The whole body of the fetus is covered with a layer of soft hair. The fetal spleen begins to produce red blood cells. Meconium appears in the intestines of the fetus.
In this or the next week, the sex of the fetus will be clearly visible (although in fact, the sex of the fetus is determined by genetic material, so as soon as fertilization the fetal sex has been determined). determined).
A 14-week-old fetus weighs about 93 g (3.2 ounces) and measures about 147 mm (5.7 inches) in length.
Trắc nghiệm: Xét nghiệm Triple test là gì? Cần thực hiện khi nào?
Triple test và một trong những xét nghiệm sàng lọc trước sinh quan trọng nhất trong thai kỳ, giúp chẩn đoán nguy cơ dị tật thai nhi, là cơ sở để các bác sĩ chỉ định thực hiện các xét nghiệm sàng lọc xâm lấn như chọc ối, sinh thiết gai nhau. Theo dõi bài viết sau để biết Triple test là gì và nên thực hiện khi nào?2. Changes of pregnant women at 14 weeks pregnant
The body is less tired : the body has completely adapted to the state of pregnancy after going through the first trimester of pregnancy. Take the time to start preparing the necessary things when the baby is born later.
Breasts continue to enlarge but become less sensitive: although the breast continues to enlarge and changes (eg, darkening of the areola), the sensitivity has gradually decreased, no longer like three months head.
No more nausea and vomiting: most pregnant women by the time they enter the second trimester of pregnancy no longer have symptoms of morning sickness.
Taste returns : nausea and vomiting are gone, taste will return. Eat a full meal, healthy and balanced meal composition, enough nutrients, maintain stable blood sugar levels, avoid unhealthy foods. Nasal congestion: High levels of the hormones estrogen and progesterone increase blood flow to the mucous membranes in the nose, causing this condition. Try using a humidifier while sleeping to ease discomfort.
Recommended video:
Is multiple pregnancy ultrasounds good? How is fetal ultrasound at Vinmec?
Please dial HOTLINE for more information or register for an appointment HERE. Download MyVinmec app to make appointments faster and to manage your bookings easily.