Why is there bleeding on the 9th day after blastocyst transfer?
Jan 25, 2024
Source: Cainiu Health
Dr. Zhao Xiaodong
Introduction
Blastocyst transfer generally refers to embryo transfer. Bleeding on the ninth day after embryo transfer may be caused by factors such as embryo implantation, failed implantation, threatened miscarriage, bacterial vaginosis, or ectopic pregnancy. It is recommended that patients promptly visit a hospital for evaluation to determine the underlying cause and receive appropriate treatment. After embryo transfer, women should get adequate rest, avoid strenuous exercise and excessive fatigue, and refrain from harmful stimuli such as smoking and alcohol consumption.
Embryo transfer generally refers to blastocyst transfer. Vaginal bleeding on the ninth day after embryo transfer may be caused by factors such as embryo implantation, failed implantation, threatened miscarriage, bacterial vaginosis, or ectopic pregnancy. It is recommended that patients promptly visit a hospital for diagnosis and receive appropriate treatment based on the underlying cause. Specific analyses are as follows:
1. Implantation Bleeding
After embryo transfer, the embryo may implant into the uterine lining. Following implantation, hormonal levels rise in the body, which may be accompanied by light vaginal bleeding. This is a normal physiological phenomenon and usually does not require excessive concern. Symptoms can typically be relieved by resting in bed more.
2. Failed Implantation
Embryo transfer does not guarantee successful implantation. If implantation fails, it may lead to decreased levels of sex hormones, causing shedding of the endometrium and resulting in menstruation similar to a regular period, thus causing the aforementioned symptoms. Women are advised to get adequate rest. No special treatment is required, but nutrition can be supplemented by consuming protein-rich foods such as eggs, lean meat, and milk.
3. Threatened Miscarriage
This may be related to insufficient luteal function. When threatened miscarriage occurs, the above-mentioned bleeding may appear, often accompanied by sensations of pelvic pressure or mild abdominal pain. Under a doctor's guidance, medications such as progesterone capsules, dydrogesterone tablets, or Baotaoling capsules may be prescribed to support the pregnancy.
4. Bacterial Vaginosis
If patients do not maintain proper personal hygiene after embryo transfer, the vaginal area may become infected with bacteria, leading to bacterial vaginosis. This condition may result in light vaginal bleeding, increased vaginal discharge, and itching of the external genitalia. Patients should follow medical advice and use medications such as metronidazole suppositories, tinidazole suppositories, or clindamycin phosphate suppositories as appropriate.
5. Ectopic Pregnancy
If the embryo implants outside the uterus—such as in the fallopian tube, ovary, or abdominal cavity—rather than inside the uterine cavity, vaginal bleeding and severe abdominal pain may occur during embryonic development. In such cases, patients may need to seek prompt treatment at a qualified hospital and consider interventions such as laparoscopic surgery, salpingectomy, or laparotomy to terminate the pregnancy.
After embryo transfer, women should ensure adequate rest, avoid strenuous exercise and overexertion, refrain from smoking and alcohol, and maintain a positive mood to promote successful embryo implantation and healthy development.
