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The hook effect refers to the prozone phenomenon, also known as antibody excess, or the postzone phenomenon, also known as antigen excess. It is an immunologic phenomenon whereby the effectiveness of antibodies to form immune complexes can be impaired when concentrations of an antibody or an antigen are very high.
A pregnancy test is used to determine whether a female is pregnant or not. The two primary methods are testing for the female pregnancy hormone ( human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography . [ 1 ]
Signs and symptoms of pregnancy are common, benign conditions that result from the changes to the body that occur during pregnancy. Signs and symptoms of pregnancy typically change as pregnancy progresses, although several symptoms may be present throughout. Depending on severity, common symptoms in pregnancy can develop into complications. [1]
Meanwhile, Phoebe quizzes Rachel on the identity of the father – guessing at Tag, Ross and Joey. Rachel refuses to tell her until the father knows about the pregnancy. Monica, still unaware of the truth, discusses with Rachel how difficult it will be for Phoebe to be a single mother and lists the numerous problems she will have to face.
This Tuesday night, The Flash — and with eight final episodes to spare — at long last delivered on a key part of #WestAllen’s destiny, with the reveal that Iris is pregnant. OH, BABY! Fans ...
Rupture of membranes (ROM) or amniorrhexis is a term used during pregnancy to describe a rupture of the amniotic sac. [1] Normally, it occurs spontaneously at full term either during or at the beginning of labor.
The holiday season is the time for admiring festive lights, opening presents, gathering with friends and family — and, apparently, making a baby.
1. The baby may turn to a breech position, making birth more difficult if the membranes are ruptured before head engagement. [5] 2. There is an increased risk of umbilical cord prolapse. [5] 3. There is an increased risk of infection if there is a prolonged time between rupture and birth. [5]