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Tight ends are used as blockers to protect the quarterback during passing plays, to open holes in the line, and downfield to tie up linebackers and defensive backs. Historically, a single tight end was used, typically placed on the right side of the offensive line. In the early 2000s, two tight end formations began to be used with more frequency.
Tight ends play on either side of the offensive line and directly next to the tackles. Tight ends are considered hybrid players because they are a cross between a wide receiver and an offensive lineman. Because they play next to the other offensive linemen, they are very frequently called on to block, especially on running plays.
During pregnancy, a baby is surrounded and cushioned by a fluid-filled sac (the amniotic sac). Usually the sac ruptures at the beginning of or during labour. It may cause a gush of fluid or leak in an intermittent or constant flow of small amounts from a woman's vagina. The fluid is clear or pale yellow.
[31] [32] In any subsequent pregnancy, careful monitoring is necessary. A stress test or echocardiogram should be complete prior to a subsequent pregnancy. Where relapse occurs, conventional treatment should be resumed, including hydralazine with nitrates plus beta-blockers during pregnancy, or ACE-inhibitors plus beta-blockers following pregnancy.
A pregnant woman may have a pre-existing disease, that may become worse or become a risk to the pregnancy, or to postnatal development of the offspring [35] Diabetes mellitus and pregnancy deals with the interactions of diabetes mellitus (not restricted to gestational diabetes ) and pregnancy. [ 36 ]
Braxton Hicks contractions allow the pregnant woman's body to prepare for labor. [1] However, the presence of Braxton Hicks contractions does not mean a woman is in labor or even that labor is about to commence. [1] Another common cause of pain in pregnancy is round ligament pain. Table 1. Braxton Hicks contractions vs. true labor [1]
As the fetal hypothalamus matures, the activation of the hypothalamic–pituitary–adrenal (HPA) axis initiates labor through two hormonal mechanisms. The end pathway of both mechanisms lead to contractions in the myometrium, a mechanical cause of placental separation, which is due to the sheer force and contractile and involutive changes that occur within the uterus, distorting the placentome.
Peripartum cardiomyopathy is a heart failure caused by a decrease in left ventricular ejection fraction (LVEF) to <45% which occurs towards the end of pregnancy or a few months postpartum. Symptoms include shortness of breath in various positions and/or with exertion, fatigue, pedal edema, and chest tightness.