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The causes of medically cryptic pregnancies are either physiological, that is, there were no recognizable symptoms of pregnancy, or can be due to psychological problems. For example, denied pregnancy is a condition in which a woman is mentally unable to accept that she is pregnant and so may go part way or all the way through a pregnancy ...
In the Diagnostic and Statistical Manual of Mental Disorders (), false pregnancy is a somatic symptom disorder; it is listed as "not elsewhere classified", meaning it is in a category by itself, different from other somatic symptom disorders such as functional neurological symptom disorder (formerly known as conversion disorders). [2]
Cryptic female choice is a form of mate choice which occurs both in pre- and post-copulatory circumstances in which females of certain species use physical or chemical mechanisms to control a male's success of fertilizing their ova or ovum; i.e. by selecting whether sperm are successful in fertilizing their eggs or not. It occurs in internally ...
Believing they were infertile, and thus not considering pregnancy a possible cause of symptoms. Not having any of the "traditional" symptoms (weight gain, extended abdomen, feeling of movement in stomach, morning sickness, unusual food cravings).
Generally, diseases outlined within the ICD-10 codes O00-O99 within Chapter XV: Pregnancy, childbirth and the puerperium should be included in this category. v t
Cryptic pregnancy; D. Delusional companion syndrome; Delusional misidentification syndrome; ... This page was last edited on 28 October 2021, at 20:41 (UTC).
Concealed ovulation or hidden estrus is the lack of any perceptible change (e.g., a change in appearance or scent) when an adult female is fertile and near ovulation.Some examples of perceptible changes are swelling and redness of the vulva in baboons and bonobos, and pheromone release in the feline family.
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] Testing blood for hCG results in the earliest detection of pregnancy. [2]