According to clinical data, nearly 90% of failure cases are related to insufficient preparation. Many couples spend a lot of money and time while ignoring key factors that seem insignificant but have far-reaching consequences.
Killer 1: Subtle imbalance of endocrine secretion
The endocrine system is a sophisticated regulatory network of the human body, and its subtle imbalance will directly affect fertility. Vitamin D deficiency is one of the often overlooked factors, research shows
Abnormal thyroid function is also far-reaching. Whether it is hypothyroidism or hyperthyroidism, it may affect metabolic and reproductive system functions, leading to failed pregnancy. The butterfly effect of stress hormones cannot be underestimated: when people stare at the pregnancy test stick and sweat, the stress hormone cortisol increases by 5%
It is worth noting that circadian rhythm disorders are particularly serious about damaging the endocrine balance. Many people think that going to bed at 11 p.m. is a "healthy schedule," but what eggs are most afraid of is not staying up late, but irregular circadian rhythm. Studies have shown that women working shifts have 32% lower AMH values (anti-Muller's hormone, which reflects ovarian reserve) than those who work regularly, and fluctuations in sleep time of more than 1 hour per day can lead to a 40% drop in follicle quality.
Killer 2:"False target" of the endometrium
In IVF evaluations, an endometrial thickness of 8-12mm is often considered "up to standard," but this is far from enough. The three-dimensional assessment of intimal quality requires comprehensive consideration of more factors: blood flow index (PI3), intimal volume (2ml), and peristaltic wave frequency (3 times per minute).
Endometrial receptivity is another key factor. Just like sowing depends on solar terms, embryo implantation requires a precise "implantation window." Studies have found that about 28% of repeated failure cases have abnormal endometrial receptivity. Nowadays, the emerging ERA test is specifically designed to identify such invisible killers who "open the door at the wrong time."
Killer 3: The immune system's "indistinction between enemy and enemy"
The immune system is originally a defender of protecting the human body, but sometimes it attacks embryos "regardless of whether we are enemy or enemy." About 10%-15% of infertile women have immune abnormalities, such as antiphospholipid antibody syndrome, and the patient's immune system attacks the embryo as an "invader."
These immune problems are like pouring boiling water on an embryo. Medical terms such as excessive NK cell activity and positive antinuclear antibodies are all behind the unconscious attack of the mother on the embryo. Statistics show that about 15% of patients have antiphospholipid antibody syndrome.
What is even more worrying is that attacks by the immune system are often silent, and patients may not have any clinical symptoms. These problems can only be discovered through specialized immunological examinations after repeated transplant failures.
Killer 4: Misunderstandings of nutritional supplements
Many expectant parents are keen on various nutritional supplements, but they don't know that improper supplements may be of dishelp. Common myths include: excessive folic acid can mask a vitamin B12 deficiency; the absorption rate of synthetic coenzyme Q10 is less than 1/10 of that of the natural form; and vitamin E taken together with aspirin may cause bleeding.
Expert recommendations: Priority should be given to active folic acid (5-MTHF); the coenzyme Q10 should be in the form of panthenol (Ubiquinol); and vitamin E must be taken with vitamin C.
Killer 5: The biochemical attack of psychological stress
Psychological stress is an invisible killer that affects the success rate of test tubes. The specific manifestations are: anxiety leads to urgent medical treatment; fear makes people afraid of pain, failure and financial pressure; pessimism makes people complain when the number of eggs retrieved is small or the quality is poor; Shy psychology makes infertility ashamed to speak; depressed psychology produces depression due to external factors and family factors; nervous psychology is excessively tense after transplantation and bedridden for a long time, which affects the success rate.
Long-term anxiety can lead to an increase in prolactin, which directly inhibits embryo implantation. Someone failed three times in a row and decided to give up. After relaxing, they naturally became pregnant. Although it is an isolated case, it is enough to show that nervous tension can really turn the uterus into a reinforced concrete ground.
It is even more necessary to have a clear understanding of these "invisible killers" hidden in life and take corresponding countermeasures. For couples who are or are about to receive IVF treatment, it is recommended to comprehensively evaluate their lifestyle and mental state under the guidance of a professional doctor, and formulate personalized treatment and conditioning plans.