Overview
Ovarian pregnancy is an extremely rare form of extrauterine pregnancy where the fertilized egg implants and develops within one of the ovaries rather than the uterus 456.Diagnosis
Clinical Presentation: Often presents with typical first trimester symptoms of pregnancy but may include abdominal pain and abnormal vaginal bleeding 4.
Ultrasound Findings: Transvaginal ultrasound may show an empty uterus with an adnexal mass or fluid collection 4.
Hydatidiform Ovary Syndrome: May be suspected if there is rapid enlargement of the ovary 4.
Serum Beta-hCG Levels: Serial measurements can help monitor the pregnancy and differentiate from other ectopic sites 4.
Laparoscopy: Often required for definitive diagnosis and management 4.Management
Surgical Intervention: Typically requires surgical intervention, often laparoscopy or laparotomy, for removal of the ectopic pregnancy 4.
Conservative Management: Rarely considered depending on the viability and location of the pregnancy 4.
Monitoring Beta-hCG Levels: Serial measurements post-surgery to ensure clearance of trophoblastic tissue 4.Special Populations
Previous Tubal Pregnancies: Patients with a history of tubal pregnancies, like in case reports, may have increased risk 5.
Use of Intrauterine Device (IUD): Presence of an IUD does not prevent ovarian pregnancy, as evidenced by case reports 6.Key Recommendations
Early Diagnosis and Monitoring: Utilize serial beta-hCG levels and imaging (ultrasound) for early detection and monitoring 4 (Evidence: Weak).
Surgical Management: Laparoscopic or open surgical intervention is typically required for definitive treatment 4 (Evidence: Weak).
Consider Risk Factors: Evaluate patients with a history of ectopic pregnancies or those using intrauterine devices for increased risk 56 (Evidence: Weak).References
1 Song B, White VanGompel E, Wang C, Guzman S, Carlock F, Schueler K et al.. Effects of clinic-level implementation of One Key Question® on reproductive health counseling and patient satisfaction. Contraception 2021. link
2 Schwandt HM, Boulware A, Corey J, Herrera A, Hudler E, Imbabazi C et al.. "…we have to think first what we are going to feed our children before we have them …": Rwandan women use family planning to provide a better life for their children. PloS one 2021. link
3 Garcia M, Fisher WA. Obstetrics and gynaecology residents' self-rated knowledge, motivation, skill, and practice patterns in counselling for contraception, STI prevention, sexual dysfunction, and intimate partner violence and sexual coercion. Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC 2008. link32715-3)
4 Melilli GA, Avantario C, Farnelli C, Papeo R, Savona A. Ovarian pregnancy: a case report. Clinical and experimental obstetrics & gynecology 2001. link
5 Carter JE, Jacobson A. Reimplantation of a human embryo with subsequent ovarian pregnancy. American journal of obstetrics and gynecology 1986. link90809-4)
6 Fernandez CM, Barbosa JJ. Primary ovarian pregnancy and the intrauterine device. Obstetrics and gynecology 1976. link