Multiple Pregnancies
Chapter
First Online:
Abstract
Hellin’s Law is the principle that one in about 89 natural pregnancies ends in the birth of twins, triplets once in 892 births, and quadruplets once in 893 births-probability; namely n’lets once in 89n−1.
Suggested Reading
- 1.Cunningham F, Leveno KJ, Bloom SL, et al. Multifetal pregnancy. In: Williams obstetrics. 25th ed. New York: McGraw-Hill; 2018. p. 863–900.Google Scholar
- 2.Mandy GT. Neonatal complications, outcome, and management of multiple births. UpToDate (12 Nov 2018). https://www.uptodate.com/contents/neonatal-complications-outcome-and-management-of-multiple-births.
- 3.Chasen ST, Chervenak FA. Twin pregnancy: prenatal issues. UpToDate (30 Oct 2018). https://www.uptodate.com/contents/twin-pregnancy-prenatal-issues.
- 4.Chasen ST, Chervenak FA. Twin pregnancy: labor and delivery. UpToDate (31 Aug 2018). https://www.uptodate.com/contents/twin-pregnancy-labor-and-delivery.
- 5.Committee on Practice Bulletins—Obstetrics, Society for Maternal–Fetal Medicine. Practice bulletin no. 169: multifetal gestations: twin, triplet, and higher-order multifetal pregnancies. Obstet Gynecol. 2016;128:e131–46.CrossRefGoogle Scholar
- 6.Lu J, Cheng YK, Ting YH, Law KM, Leung TY. Pitfalls in assessing chorioamnionicity: novel observations and literature review. Am J Obstet Gynecol. 2018;219(3):242–54.CrossRefGoogle Scholar
- 7.Maruotti GM, Saccone G, Morlando M, Martinelli P. First-trimester ultrasound determination of chorionicity in twin gestations using the lambda sign: a systematic review and meta-analysis. Eur J Obstet Gynecol Reprod Biol. 2016;202:66–70.CrossRefGoogle Scholar
- 8.Júnior JE, Santana EF, Cecchino GN. Monochorionic twin pregnancy—Potential risks and perinatal outcomes. Contemporary Gynecologic Practice. 2015. p. 203–34.Google Scholar
- 9.Chen CP, Hsu CY, Su JW, Chen HE, Hsieh AH, Hsieh AH, Wang W. Conjoined twins detected in the first trimester: a review. Taiwanese J Obstet Gynecol. 2011;50(4):424–31.CrossRefGoogle Scholar
- 10.Simpson LL, Society for Maternal-Fetal Medicine (SMFM). Twin-twin transfusion syndrome. Am J Obstet Gynecol. 2013;208(1):3–18.CrossRefGoogle Scholar
Copyright information
© Springer Nature Switzerland AG 2020