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Pregnancy Week 16 Second Trimester | Pregnancy Week 15 | Pregnancy Week 17 The Mom: PRENATAL TESTING Usually around 16 weeks, you will have a couple of prenatal testing options made available to you. Once of the most common is the ultrasound. This technology uses sound waves to see your baby. It's painless, although you may be asked to have a full bladder, which can be a bit uncomfortable. You will lie on a table, and your stomach will be lubricated to help the scanner move across it. Ultrasounds can be used to determin fetal age, many abnormalities of the head and spine, the delveloment of the major organs, such as heart, kidneys, and stomach. It can also determine twins, the placement of the placenta and sometimes, the baby's sex. If you don't want to know, be sure to tell your ultrasound technichian beforehand. Remember, it's not a guarantee, so, you may not want to paint the nursery based on it. Alphafetoprotein testing (AFP) is another option. This test measures the amount of AFP present in your blood. It is usually done between 16 - 18 weeks. It can detect such problems as spina bifida, anencephaly and possibly Down's Syndrome. If the test comes back as abnormal, you can have it confirmed with another AFP test or it's possible your provide may recommend you have amniocentesis. Risks of AFP are small. If you have concerns, discuss them with your provider. Amniocentesis, a test done with a sample of your amniotic fluid withdrawal by syringe, may also be recommended if you are over 35. Women over 35 are thought to have higher risks associated with many chromosomal problems. There are more risks to amnio than other prenatal testing. Some of these include: trauma to the baby, placenta or umbilical cord; infection, or premature labor. Your provider should cover all these when you if an amnio is recommended. SYMPTOMS YOU MAY EXPERIENCE Breast Changes, tenderness, fullness, darkening of the areola Frequent Urination Constipation Indigestion or heartburn Occasional headaches Stretch Marks (cocoa butter can help with these) Itching The Baby: This may be the week you feel your baby move. This is sometimes called "quickening" It's been described as a "flutter" or "butterflies". Don't be too worried if you don't feel it yet. It may be as late as your 20th week before you feel those first little flutters. The lanugo hair is present, and covers your baby's head and body. Your baby is still growing and this week measures about 4.5 inches long, and weighs almost 3 ounces! Ultrasounds and Pictures: Second Trimester Ultrasound Pictures Second Trimester Belly Pictures For More Information: Prenatal Testing Ultrasound Alphafetoprotein testing (AFP) Amniocentesis Pregnancy over 35 Quickening   Recommended Reading: The Essential over 35 Pregnancy Guide : Everything You Need to Know About Becoming a Mother Later in Life Pregnancy Week by Week: Pregnancy Weeks 1 to 4 Pregnancy Week 5 Pregnancy Week 6 Pregnancy Week 7 Pregnancy Week 8 Pregnancy Week 9 Pregnancy Week 10 Pregnancy Week 11 Pregnancy Week 12 Pregnancy Week 13 Pregnancy Week 14 Pregnancy Week 15 Pregnancy Week 16 Pregnancy Week 17 Pregnancy Week 18 Pregnancy Week 19 Pregnancy Week 20 Pregnancy Week 21 Pregnancy Week 22 Pregnancy Week 23 Pregnancy Week 24 Pregnancy Week 25 Pregnancy Week 26 Pregnancy Week 27 Pregnancy Week 28 Pregnancy Week 29 Pregnancy Week 30 Pregnancy Week 31 Pregnancy Week 32 Pregnancy Week 33 Pregnancy Week 34 Pregnancy Week 35 Pregnancy Week 36 Pregnancy Week 37 Pregnancy Week 38 Pregnancy Week 39 Pregnancy Week 40 Each pregnancy, expectant mother, and unborn child is different. Your pregnancy may not progress the same as the information found here. The information here is based on the average pregnancy. It's not meant to be a replacement for any advice your may receive from your doctor. If you have any concerns about your pregnancy, we advise you to contact your doctor. CONTENT AREAS Pregnancy Main Page Trying to Conceive Pregnancy Week by Week Labor and Birth Questions and Answers Forum Cord Blood Pregnancy & Childbirth TOOLS Ovulation Calendar Due Date Calculator Due Date Club "What Week Am I In?" Pregnancy Calendar Birth Plans Gender Predictor PICTURES Ultrasound 3d Ultrasound Pregnant Belly Labor and Delivery HEALTH ISSUES Fertility Nutrition Pregnancy & Childbirth Morning Sickness Women's Health Child Health Colic and Your Baby BABY SHOWERS Baby Shower Planning Baby Shower Games Baby Shower Ideas Baby Shower Food Baby Shower Gifts