There are many different tests that can be done during pregnancy, starting from home pregnancy tests to let you know if you are pregnant, or not to tests done in the 3rd trimester to check the health of the fetus.

Home pregnancy tests detect the presence of the pregnancy hormone called human chorionic gonadotropin (hCG) in your urine. 

Other pregnancy or prenatal tests are done for many diferent purposes, especially when there are concerns for mother's or fetus' health.

What Prenatal Tests Should I Have?

What prenatal tests should I have done? ... read more »

Better Prenatal Care with More Pregnancy Tests

Providing women who are having unprotected sex with a home pregnancy test could have a substantial impact on the health of potential newborns. ... read more »

Amniocentesis - Tests

What are the tests done on the amniotic fluid What are the tests done on the amniotic fluid The following tests can be done on the amniotic fluid: ... read more »

How Home Pregnancy Tests Work

How home pregnancy tests (HPTs) work. ... read more »

Pregnancy Tests - Consumer Reports

Consumer Reports 2003 Ratings for the best home pregnancy tests (HPT). ... read more »

HCG Drops In Early Pregnancy

hCG is the pregnancy hoirmone which is produced by the placenta as early as 3-4 days after implantation. ... read more »

Percentiles of Fetal Birth Weight

This table shows the percentiles of birthweights in grams by weeks of the pregnancy and gestational age. ... read more »

HPT - How To

How do I do a home pregnancy test (HPT)? ... read more »

Doctor's Office vs. HPT

Which urine test is more accurate? ... read more »

Darker Line More hCG

Does it mean the hCG is increasing? ... read more »

Pregnancy Plus

The best Prenatal Vitamins available ... read more »

New Test for Trisomy 21 Less Invasive

The age at which women are choosing to start a family is getting older and older. With increased age comes a greater risk of Down Syndrome (Trisomy 21) at birth. ... read more »

Top 5 Questions About Pregnancy Tests

Before jumping into a home pregnancy test or other form of pregnancy test, it is best to understand how they work and the best way to use them. ... read more »

Multiple Marker - Triple or Quadruple Screen

The multiple marker test (sometimes referred to as the triple screen) can tell you if your baby is at an increased risk of having certain birth defects and genetic abnormalities. ... read more »

Fetal Testing and Monitoring

Fetal testing and monitoring are done to ensure that a fetus is healthy and growing at an acceptable rate. Fetal tests can help detect potential and actual problems. This gives the doctors an opportunity to treat the problem before it further develops, if at all possible. ... read more »

Determination of the Gestational Age During Pregnancy

Doctors use various methods to determine gestational age of a pregnancy.The most common test is the ultrasound, which measures the size of the gestational sac and the length between crown and rump. ... read more »

Prenatal Pregnancy Tests

Once you get that positive result and know you're pregnant, you want the right tests and assurances about the health of you and your unborn child. That's where prenatal testing comes in. ... read more »

First Trimester Screen Test — Nuchal Translucency

The first trimester screening also known as nuchal translucency screening, or NT, is a prenatal test, ultrasound and a blood test that can help determine the likelihood of having Down's Syndrome ... read more »

How to Take a Home Pregnancy Test

It might seem simple, but there can be many factors influencing the accuracy of your urine home pregnancy test. Learn how to improve the accuracy of your urine pregnancy test. ... read more »

Home Pregnancy Tests: All Your Questions Answered

Taking a pregnancy test can be nerve-wracking ... and filled with questions! Here's everything you've always wanted to know about home pregnancy tests! ... read more »

When Is the Blood hCG Pregnancy Test Positive?

A blood pregnancy test usually becomes positive within 3-4 days after implantation, or several days before your expected menstrual period, when  hCG levels have reached a high enough level. ... read more »

Normal hCG Levels in Early Pregnancy

During pregnancy, hCG levels have clear patterns. Find out more about hCG and use our free hCG calculator. ... read more »

Category 2 Fetal Heart Rate Tracing Algorithm Decelerations 30 minutes

There is no moderate variability and no accelerations QUESTION: Are there significant decelerations with >=50% of contractions for >=30 minutes?   ... read more »

Search the Literature

Find published articles ... read more »

Crown Rump Length Chart: Fetal Ultrasound Measurements

The fetal crown rump length (CRL) is the measurement between the top of the head to the area above where the legs begin. ... read more »

hCG not doubling

My hCG is not doubling, what's wrong ... read more »

Is The Pregnancy Test 99 Percent Accurate?

What does it mean when manufacturers claim their home pregnancy test HPT is 99% accurate? ... read more »

Category 2 Fetal Heart Rate Tracing Algorithm Recommendations No Variability No Decelerations 30 minutes

There is no moderate variability and/or no accelerations PLUS There are NO significant decelerations with >=50% of contractions for >=30 minutes   RECOMMENDATIONS: Observe for one (1) hour If persistent pattern then do cesarean delivery/operative vaginal delivery   ... read more »

Twins When HCG Increasing Too Fast

In most pregnancies, the normal hCG rises is at least 60% over 48 hours. In twins it may rise much more, but  it's not possible to diagnose a twin pregnancy just from the hCG levels alone. ... read more »

How Soon Can I Take a Pregnancy Test?

Most current pregnancy test kits (sensitivity 25 mIU/ml) detect hCG in the urine as early as 3-4 days after implantation, though it often takes longer. ... read more »

Low and High hCG Levels

What do they mean? ... read more »

I Have Early Pregnancy Symptoms, Could I Be Pregnant?

If you think you may be pregnant and or you're experiencing some possible symptoms read here more about pregnancy diagnosis! ... read more »

hCG Levels and Pregnancy Testing

This article is about normal hCG pregnancy hormone levels implantation symptoms and bleeding and early pregnancy tests ... read more »

hCG Increasing Fast

There is no sufficient scientific evidence that with twins there is always a faster-than-usual rise in hCG. Normal hCG values can vary up to 20 times in normal pregnancies. ... read more »

hCG in Early Pregnancy

What is a normal hCG level? ... read more »

What Is a Glucose Challenge Test?

Before and during pregnancy there is usually a two-step approach to diagnosing diabetes: Glucose Challenge Test (GCT) and Glucose Tolerance Test (GTT). ... read more »

False Positive Pregnancy Test - Always Pregnant?

A positive pregnancy test usually means that you are pregnant. There are only a very few circumstances in which a false positive pregnancy test means that you are not pregnant . ... read more »

Early hCG Levels

When is the HPT positive? ... read more »

1. Product Reviews

Reviews of TTC and pregnancy items ... read more »

What Affects Normal hCG Levels In Pregnancy?

Human chorionic gonadotropin, more frequently referred to as hCG, is a hormone that is produced during pregnancy. ... read more »

Progesterone and Pregnancy Tests

Can progesterone supplements influence the test? ... read more »

Home Pregnancy Tests

Consumer Reports tested 18 pregnancy tests to find out which brands work best. Buy the top performers and follow their tips for the most accurate results. ... read more »

Pregnancy Tests

Which pregnancy tests are best? ... read more »

Positive Pregnancy Test: When Does it Happen?

A positive pregnancy test occurs only after the fertilized egg has first implanted into the uterus and then sends enough amounts of hCG the pregnancy hormone into your blood stream. ... read more »

Normal hCG Levels

When a blood pregnancy test is run, the hCG level will be reported to the obstetrician. This level will give the doctor a look into the age and the health of the pregnancy. ... read more »

Negative Blood hCG Pregnancy Test

Could I still be pregnant even though my blood hCG test was negative? ... read more »

Low and Slow Rising hCG Blood Levels in Pregnancy Test

When is the hCG titer in the blood considered to be too low and when is it considered to be slow rising? ... read more »

Feeling Pregnant With Negative Home Pregnancy Test (HPT)

I am feeling pregnant but got a negative home pregnancy test result, what should I do next? ... read more »

Early Home Pregnancy Test HPT

Several brands of home pregnancy tests claim to test for pregnancy before the missed period. These tests are more sensitive to hCG. ... read more »

False Positive False Negative Pregnancy Test

A false positive early pregnancy tests is a pregnancy test that is positive when in fact you are not pregnant. ... read more »

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