First Trimester Bleeding: Causes & Reasons

Possible Causes for First Trimester Bleeding

Epidemiology Prevalence : First Trimester Bleeding in 25% of pregnant women III. [fpnotebook.com]

This is the most common cause in the first trimester. Problems with the uterus or cervix. These contribute in the second trimester. [fpnotebook.com]

CONCLUSIONS: First trimester bleeding with visible fetal heart beat appears to associate significantly with higher subsequent spontaneous abortion rate than those without. [ncbi.nlm.nih.gov]

Septic Abortion

Epidemiology Prevalence : First Trimester Bleeding in 25% of pregnant women III. [fpnotebook.com]

First-trimester bleeding in a pregnant woman has an extensive differential diagnosis ( Table 2 ) and should be evaluated with a full history and physical examination. [aafp.org]

[…] the vagina or cervix Molar pregnancy Spontaneous abortion Subchorionic hemorrhage Vaginal trauma TABLE 2 Differential Diagnosis of First-Trimester Vaginal Bleeding Cervical [aafp.org]

Ectopic Pregnancy

On average, about 6-16% will present to an emergency department with first-trimester bleeding and abdominal pain [2]. [ncbi.nlm.nih.gov]

Stable patients in the first trimester of pregnancy with abdominal pain and vaginal bleeding can be further evaluated in the ED. [cdemcurriculum.com]

First trimester bleeding. American Family Physician. 2009; 79:985-992. Gurel, S. Ectopic pregnancy. Ultrasound Clinics. 2008; 3:331-343. Jain, K. [cdemcurriculum.com]

Missed Abortion

First-trimester bleeding in a pregnant woman has an extensive differential diagnosis ( Table 2 ) and should be evaluated with a full history and physical examination. [aafp.org]

There are signs to look for in cases of first-trimester bleeding: Is the patient shocked through blood loss? [patient.info]

[…] the vagina or cervix Molar pregnancy Spontaneous abortion Subchorionic hemorrhage Vaginal trauma TABLE 2 Differential Diagnosis of First-Trimester Vaginal Bleeding Cervical [aafp.org]

Hydatidiform Mole

[…] symptoms or persistent nausea and vomiting Bleeding or spotting in the first or second trimester. ( spotting or heavy, intermittent or continuous, usually light) No fetal [babymed.com]

Abstract Complete hydatidiform mole is a common cause of gestational bleeding of the first trimester, commonly assessed by ultrasound. [ncbi.nlm.nih.gov]

bleeding during the first trimester Severe nausea and vomiting Sometimes vaginal passage of grapelike cysts Pelvic pressure or pain If you experience any signs or symptoms [mayoclinic.org]

Incomplete Spontaneous Abortion

First-trimester bleeding is called a threatened abortion. The Case of Ms. Li Ms. [sharinginhealth.com]

Epidemiology Prevalence : First Trimester Bleeding in 25% of pregnant women III. [fpnotebook.com]

Bleeding during the first trimester is common. [brooksidepress.org]

Bleeding from an Ectopic Pregnancy

Facts During the first trimester, bleeding can occur frequently for many women. [modernmom.com]

This is the most common cause of first trimester bleeding. [emedicinehealth.com]

As many as 20 to 40 percent of women experience vaginal bleeding during the first trimester of their pregnancy. [onemedical.com]

Placenta Membranacea

PMID: 23467796 First-trimester bleeding and the vanishing twin. A report of three cases. Saidi MH. Saidi MH. J Reprod Med. 1988 Oct;33(10):831-4. J Reprod Med. 1988. [pubmed.ncbi.nlm.nih.gov]

While there is no increased risk of fetal anomalies with this abnormality, bilobed placentas can be associated with first-trimester bleeding, polyhydramnios, abruption and [statpearls.com]

A multiparous woman is presented with intermittent painless vaginal bleeding in the second trimester of pregnancy. [pubmed.ncbi.nlm.nih.gov]

Placenta Circumvallata

Bleeding Disorders During Pregnancy First Trimester Bleeding – Abortion or Ectopic A. [bicolnurses.blogspot.com]

trimester vaginal bleeding must be suspicious for this diagnosis. [thieme-connect.com]

While there is no increased risk of fetal anomalies with this abnormality, bilobed placentas can be associated with first-trimester bleeding, polyhydramnios, abruption and [ncbi.nlm.nih.gov]

Alobar Holoprosencephaly

Some believe that there may be a genetic component, but non-genetic risk factors include gestational diabetes, first trimester bleeding, drug and alcohol use, and prior miscarriage [birthinjuryjustice.org]

trimester bleeding and dizygotic twinning. [1] Alobar holoprosencephaly is characteristically presents with a monoventricular cavity, fused thalami and absence of midline [jcnonweb.com]

It has been associated with autosomal-dominant, recessive and monogenic inheritance, infectious (cytomegalovirus, toxoplasmosis), toxic (hydantoin), maternal diabetes, first [jcnonweb.com]

Fetus Papyraceous

Saidi MH (1988) First-trimester bleeding and the vanishing twin. A report of three cases. J Reprod Med 33(10):831–834 PubMed Google Scholar 3. [link.springer.com]

In most of the cases when the fetus is complete reabsorbed, there are no major complications besides first trimester vaginal bleeding but in the case when the event occurs [thepregnancyzone.com]

In the first trimester, this may be present as vaginal bleeding. [casereports.in]

Placental Cyst

trimester bleeding. [3] Cause and diagnosis [ edit ] Chorion, amnion and gestational (yolk) sac Chorionic hematomas can be caused by the separation of the chorion from the [en.wikipedia.org]

 First-trimester bleeding is one of the most common clinical presentations for this group of disorders.  Other clinical signs and symptoms include :  rapid uterine enlargement [slideshare.net]

The following are a list of the most common types of pregnancy complications: Bleeding During Pregnancy Vaginal bleeding frequently occurs during the first trimester of pregnancy [womens-health-advice.com]

Spontaneous Abortion

Keywords spontaneous abortion ▪ MRI ▪ first trimester bleeding Introduction Vaginal bleeding in the first trimester (0 to 13 6/7 weeks) occurs in approximately 30 percent [openaccessjournals.com]

Pitfalls in first-trimester bleeding. Emergency Medicine Clinics of North America, 28(1), 219-34, x. doi:10.1016/j.emc.2009.10.005 [top] [web.archive.org]

Aust N Z J Obstet Gynaecol. 48(1): 5–11 Crossref, Google Scholar Thorstensen KA ( 2000 ) Midwifery management of first trimester bleeding and early pregnancy loss. [doi.org]

First Trimester Pregnancy

Vaginal bleeding in the first trimester occurs in about one fourth of pregnancies. About one half of those who bleed will miscarry. [aafp.org]

A report on a difficult case of first trimester pregnancy bleeding in a 39-year-old woman solved by hysterectomy. [ncbi.nlm.nih.gov]

first trimester? [medicinenet.com]

Chromosome 10q Deletion

He was born to non-consanguineous parents following a pregnancy complicated by first trimester bleeding, upper respiratory infection in the second trimester, and intrauterine [jmg.bmj.com]

Blighted Ovum

Evaluation of First-Trimester Bleeding Figure 1. Algorithm for the evaluation of first-trimester bleeding. [aafp.org]

Identifying a pregnancy with uterine fibroids in the first trimester can avoid complications such as first trimester bleeding, anaemia during pregnancy, labour dystocia, retained [ncbi.nlm.nih.gov]

But not all bleeding in the first trimester ends in miscarriage. So be sure to see your doctor right away if you have any of these signs. [webmd.com]

Heterotopic Pregnancy

Stable patients in the first trimester of pregnancy with abdominal pain and vaginal bleeding can be further evaluated in the ED. [cdemcurriculum.com]

The prevalence of ectopic pregnancy in patients who present to the Emergency Department with first trimester bleeding or pain ranges from 6 to 16%. [criticalcare-sonography.com]

Bleeding During the First Trimester of Pregnancy Causes of bleeding during the first trimester of pregnancy Examples of causes of bleeding during the first trimester of pregnancy [medicinenet.com]

Placenta Previa

[…] following a cesarean delivery [1] Previous or recurrent abortions Previous placenta previa (4-8%) Nonwhite ethnicity Low socioeconomic status Smoking Cocaine use Unlike first-trimester [emedicine.medscape.com]

Call your doctor if you have: Medium to heavy vaginal bleeding during the first trimester. Any vaginal bleeding in the second or third trimester. [uofmhealth.org]

bleeding, second- and third-trimester bleeding is usually due to abnormal placental implantation. [emedicine.medscape.com]

Chronic Hemorrhage

Noticed vaginal bleeding during the first trimester of pregnancy ? [whattoexpect.com]

Late first- or second-trimester bleeding also worsens the prognosis. [emedicine.medscape.com]

It is the most common cause of bleeding in the first trimester. How Does a Subchorionic Hemorrhage Affect My Baby? [babyq.com]

Cervical Pregnancy

Clinical and Experimental Obstetrics and Gynecology. 2012; 39(3): 396-398 [Pubmed] 6 Management of a cervical heterotopic pregnancy presenting with first-trimester bleeding [jhrsonline.org]

Ectopic pregnancies account for 6–16% of all causes of first trimester bleeding 3. [westjem.com]

Sonographic evaluation of first-trimester bleeding. Radiol Clin North Am 2004 ; 42: 297–314. [doi.org]

Uterine Hemorrhage

Noticed vaginal bleeding during the first trimester of pregnancy ? [whattoexpect.com]

Late first- or second-trimester bleeding also worsens the prognosis. [emedicine.medscape.com]

It is the most common cause of bleeding in the first trimester. How Does a Subchorionic Hemorrhage Affect My Baby? [babyq.com]

Disorder of Product of Conception

“Ultrasound assessment of first trimester bleeding”. Obstet Gynecol. vol. 105. 2005. pp. 333-8. •Reports outcomes of threatened abortion. [clinicaladvisor.com]

There are signs to look for in cases of first-trimester bleeding: Is the patient shocked through blood loss? [patient.info]

[…] to 75% of women with first-trimester missed abortion or anembryonic gestation (presenting with spotting or bleeding and ultrasound evidence of fetal demise) (SOR: B, based [mdedge.com]

Ruptured Ectopic Pregnancy

Stable patients in the first trimester of pregnancy with abdominal pain and vaginal bleeding can be further evaluated in the ED. [cdemcurriculum.com]

METHODS: This was a prospective cohort study enrolling all patients in the first trimester of pregnancy presenting to the ED with abdominal pain and/or vaginal bleeding. [ncbi.nlm.nih.gov]

[…] in the first trimester of pregnancy over a 23-month period (1 February 2003 to 31 December 2004) was carried out. [ncbi.nlm.nih.gov]

Hereditary Factor X Deficiency

[…] childbirth first-trimester miscarriage (spontaneous abortion) blood in urine (hematuria) bleeding in the central nervous system (the brain and spinal cord) Diagnosis Factor [wfh.org]

Factor X-deficient women who become pregnant are at high risk for miscarriage during the first trimester and severe bleeding during and after delivery. [healthline.com]

Pregnant women with FX may experience first trimester miscarriage or post-partum hemorrhage and should receive consultation by a hematologist and obstetrician prior to delivery [hemophilia.org]

Urinary Tract Hemorrhage

This is the most common cause of first trimester bleeding. [emedicinehealth.com]

Pregnancy Bleeding in pregnancy is never normal. Bleeding during the first trimester of pregnancy is a sign of a potential miscarriage, and is not uncommon. [medicinenet.com]

Bleeding from an ectopic pregnancy is the most dangerous cause of first trimester bleeding. [emedicinehealth.com]

Factor X Deficiency

[…] childbirth First-trimester miscarriage (spontaneous abortion) Blood in the urine (haematuria) Bleeding in the central nervous system (the brain and spinal cord) Diagnosis [haemophilia.ie]

[…] childbirth first-trimester miscarriage (spontaneous abortion) blood in urine (hematuria) bleeding in the central nervous system (the brain and spinal cord) Diagnosis Factor [wfh.org]

[…] during or after surgery or injury Other reported symptoms Heavy or prolonged menstrual bleeding (menorrhagia) Bleeding after circumcision Abnormal or prolonged bleeding after [haemophilia.ie]

Placenta Succenturiata

While there is no increased risk of fetal anomalies with this abnormality, bilobed placentas can be associated with first-trimester bleeding, polyhydramnios, abruption, and [ncbi.nlm.nih.gov]

Circumvallate placenta is associated with poor pregnancy outcomes due to increased risk of vaginal bleeding beginning in the first trimester, premature rupture of the membranes [ncbi.nlm.nih.gov]

Benign Gestational Thrombocytopenia

In the first and second trimesters low platelet counts could be due to immune processes or to platelet production defects (8). [medichub.ro]

If blood count is below 80 x 10 9 /L or if there is bleeding or bruising, the patient should refer to a haematology clinic (7). [medichub.ro]

Preterm Labor

trimester bleeding The mother's health problems or lifestyle choices that can lead to preterm labor include: Cigarette smoking Illegal drug use, often cocaine and amphetamines [medlineplus.gov]

trimester bleeding Cigarette smoking Illegal drug use Severe psychological and physical Stress Obesity Previous preeclampsia Poor weight gain during pregnancy Short cervical [symptoma.com]

[…] the mother or in the membranes around the baby Certain birth defects in the baby High blood pressure in the mother The bag of water breaks early Too much amniotic fluid First [medlineplus.gov]

Tubal Pregnancy

Stable patients in the first trimester of pregnancy with abdominal pain and vaginal bleeding can be further evaluated in the ED. [saem.org]

"First trimester bleeding". Am Fam Physician. vol. 79. 2009. pp. 985-94. (Overview of normal and abnormal pregnancies presenting with first trimester bleeding. [clinicaladvisor.com]

First trimester bleeding. American Family Physician. 2009; 79:985-992. Gurel, S. Ectopic pregnancy. Ultrasound Clinics. 2008; 3:331-343. Jain, K. [saem.org]