Bleeding at 4 weeks of pregnancy

The first four weeks of pregnancy are still a relatively dangerous period, so you should pay more attention to your body and the condition of the fetus in your womb. You should ensure that there are no problems with the fetus during this period, because once a problem occurs, it is closely related to miscarriage. For example, many pregnant women will experience vaginal bleeding, which may be a symptom caused by miscarriage.

1. Endocrine-related bleeding

Neonatal vaginal bleeding, bleeding related to contraceptive pills, dysfunctional uterine bleeding, intermenstrual bleeding, postmenopausal uterine bleeding, etc.

2. Pregnancy-related bleeding

Threatened abortion, incomplete abortion, ectopic pregnancy, placenta previa, placental abruption, hydatidiform mole, choriocarcinoma, etc.

(III) Bleeding related to inflammation

1. Vulvar bleeding: seen in vulvar ulcers, urethral caruncle, etc.

2. Vaginal bleeding: seen in vaginal ulcers, vaginitis, especially senile vaginitis, Trichomonas vaginitis, etc.

3. Cervical bleeding: seen in acute and chronic cervicitis, cervical erosion, cervical ulcer, cervical polyps, etc.

4. Uterine bleeding: seen in acute and chronic endometritis, chronic myometritis, acute and chronic pelvic inflammatory disease, etc.

(IV) Tumor-related bleeding

1. Irregular vaginal bleeding in young girls: seen in grape-like sarcoma.

2. Vaginal bleeding in middle-aged and older women: often caused by uterine fibroids.

3. Contact or irregular bleeding in middle-aged or postmenopausal women: seen in cervical cancer, endometrial cancer, functional ovarian tumors, etc.

5. Bleeding related to trauma

1. Bleeding caused by trauma.

2. Bleeding after sexual intercourse: seen in rupture of the hymen, vaginal wall or posterior fornix.

(VI) Bleeding related to systemic diseases

Disseminated intravascular coagulation is seen in liver disease, aplastic anemia, thrombocytopenic purpura, leukemia and gynecological diseases.

Neonatal vaginal bleeding, bleeding related to contraceptives, dysfunctional uterine bleeding, intermenstrual bleeding, postmenopausal uterine bleeding, threatened abortion, incomplete abortion, ectopic pregnancy, placenta previa, placental abruption, hydatidiform mole, choriocarcinoma, vulvar ulcer, urethral caruncle, vaginal ulcer, vaginitis, senile vaginitis, Trichomonas vaginitis, acute and chronic cervicitis, cervical erosion, cervical ulcer, cervical polyps, acute and chronic endometritis, chronic myometritis, acute and chronic pelvic inflammatory disease, grape-like sarcoma, grape-like sarcoma, cervical cancer, endometrial cancer, functional tumors of the ovary.