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Pregnancy is a wonderful journey for every woman, symbolizing family completeness and happiness. However, sometimes unexpected situations are unavoidable. In such cases, rather than falling into self-blame, it is better to seek professional consultation to understand the possible causes, adjust your body, and prepare for the next attempt.
Today, we will explore two important concepts in the journey of preparation for pregnancy—“implantation failure” and “biochemical pregnancy”—to help you understand their differences and possible causes.
Implantation Failure
Implantation failure refers to the situation where the fertilized egg, after developing into an embryo and entering the uterus, fails to establish a close connection with the uterine lining. This process usually does not have obvious symptoms and is reflected as a normal menstrual cycle. There are many factors that may lead to implantation failure, including abnormal uterine environment, embryo defects, emotional stress, external environmental influences, or certain physical illnesses.
Before considering egg freezing or IVF, it is crucial to conduct a comprehensive physical examination. These tests can help understand ovarian function and provide key information for subsequent fertility plans.
Biochemical Pregnancy
Biochemical pregnancy refers to the situation where the embryo has begun to implant, but due to specific internal or external factors, it fails to continue developing and stabilizing in the uterine lining. At this time, β-HCG levels will briefly rise, but the pregnancy will not progress to a stage detectable by ultrasound. The occurrence of biochemical pregnancy is often mistaken for a delayed menstruation.
The causes of biochemical pregnancy are similar to those of implantation failure, including embryo quality issues, uterine lining conditions, luteal insufficiency, and other factors.
To gain deeper insights into these issues, we interviewed Dr. Nathan Zhang, the founder of IVF USA and a PhD from the University of Pennsylvania School of Medicine. Dr. Zhang pointed out that a common factor leading to both situations is the age of the woman. As age increases, the probability of chromosomal abnormalities in the embryo rises, and the miscarriage rate also increases. The proportion of chromosomal abnormalities in embryos from women over 42 exceeds 80%. When women reach the age of 35, the risk of miscarriage significantly increases, while the chances of natural conception for women over 40 drop to below 5%, presenting greater challenges for older mothers.
IVF USA understands that the process of preparing for pregnancy and being pregnant is filled with anticipation and uncertainty, but with scientific methods and support from a professional team, you will face this journey with more confidence. No matter where you are, we will accompany you and together welcome the future path of parenthood. If you have any questions or needs regarding egg freezing, Dr. Nathan Zhang will provide you with professional consultation and support to help you develop a personalized pregnancy preparation plan.
Currently, IVF USA offers services such as egg freezing and IVF in the U.S., and has expanded its operations to include IVF and egg freezing in Japan, Thailand, as well as in Mexico, Taiwan, and Hong Kong, closely collaborating with IVF specialists worldwide to provide you with advanced medical support as you welcome the arrival of new life.