Interpretation of Opiate Urine Drug Screens. Summary. Urine drug testing is highly reliable, but false positives can rarely occur for some drugs. As always, clinical judgment is necessary when interpreting test results. The length of time a drug can be detected in the urine varies due to several factors,
Mood changes during pregnancy can be caused by physical stresses, fatigue, changes in your metabolism, or by the hormones estrogen and progesterone.Significant changes in your hormone levels can affect your level of neurotransmitters, which are brain chemicals that regulate mood.ood swings are mostly experienced during the first trimester between 6 to 10 weeks and then again in the third trimester as your body prepares for birth.
(Depending on your size before pregnancy, you may not notice this change until the second trimester.). Emotional symptoms. You might feel moody, forgetful or unable to concentrate. These symptoms can be caused by fatigue, pregnancy hormones, and the emotions that can go along with being pregnant.Lightheadedness. Your body is working overtime to make extra blood to support your growing baby. This can cause you to feel dizzy or lightheaded.Depending on your size before pregnancy, you may not notice this change until the second trimester.). Emotional symptoms. You might feel moody, forgetful or unable to concentrate. These symptoms can be caused by fatigue, pregnancy hormones, and the emotions that can go along with being pregnant.