A positive blood HCG test indicates the initial implantation of the embryo [1], and the absence of an intrauterine gestational sac on ultrasound examination is defined as embryo implantation failure [2]. An international consensus on the definition of embryo implantation failure has yet to be ...
What are test tube babies?In vitro fertilization:In vitro fertilization (IVF) is a process by which a sperm fertilizes an egg outside a human body, usually in a petri dish (as opposed to an actual test tube). The term in vitro refers to biological processes that occur outside of the ...
A different pattern is sometimes observed in postmenopausal women, in which a persistently positive pregnancy test and a slight elevation in the serum beta-hCG concentration are documented. This could put the physician in a quandary about whether to start treatment or not. We are reporting two ...
2.1. The definition of “unit test” There are a lot of definitions of a unit test. Stripped of their non-essential bits, the definitions all have the following three most important attributes. A unit test is an automated test that
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If an athlete is injecting testosterone, what happens to GnRH, LH and FSH secretion? Gonadotropin: The anterior pituitary releases gonadotropins (luteinizing hormone, follicular stimulating hormone). Gonadotropin effect differently in males and females. Gonadotropin increases the produc...
The process of detecting whether a woman is pregnant is called a "pregnancy test." There are many ways to determine whether a woman is pregnant, such as urine test, internal diagnosis, B-ultrasound, etc. Different detection methods apply at different times and have different precautions. So, ...
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中国网民规模达到7.51亿，占全球网民总数的（）。8月4日，中国互联网络信息中心（CNNIC）发布第40次《中国互联网络发展状况统计报告》。《报告》称，截至2017年6月，我国互联网普及率为54.3%，较2016年底提升1.1个百分点。数据显示，截至2017年6月，我国手机网民规模达7.24亿，较2016年底增加2830万人。