Jenkins, A; Millar, S; Robins, J «Denial of pregnancy: a literature review and discussion of ethical and legal issues.». Journal of the Royal Society of Medicine, 104, 7, 2011 Jul, pàg. 286–91. DOI: 10.1258/jrsm.2011.100376. PMID: 21725094.
Qasim SM, Callan C, Choe JK «The predictive value of an initial serum beta human chorionic gonadotropin level for pregnancy outcome following in vitro fertilization». Journal of Assisted Reproduction and Genetics, 13, 9, 1996, pàg. 705–8. DOI: 10.1007/BF02066422. PMID: 8947817.
Verhaegen, J; Gallos, ID; van Mello, NM; Abdel-Aziz, M; Takwoingi, Y; Harb, H; Deeks, JJ; Mol, BW; Coomarasamy, A «Accuracy of single progesterone test to predict early pregnancy outcome in women with pain or bleeding: meta-analysis of cohort studies.». BMJ (Clinical research ed.), 345, 27-09-2012, pàg. e6077. DOI: 10.1136/bmj.e6077. PMC: 3460254. PMID: 23045257.
Stevenson RE, Allen WP, Pai GS, Best R, Seaver LH, Dean J, Thompson S «Decline in prevalence of neural tube defects in a high-risk region of the United States». Pediatrics, 106, 4, 2000, pàg. 677–83. DOI: 10.1542/peds.106.4.677. PMID: 11015508.
Artal, R; O'Toole, M «Guidelines of the American College of Obstetricians and Gynecologists for exercise during pregnancy and the postpartum period.». British journal of sports medicine, 37, 1, 2003 Feb, pàg. 6–12; discussion 12. DOI: 10.1136/bjsm.37.1.6. PMC: 1724598. PMID: 12547738.
Wing Yee Fok; Louis Yik-Si Chan, Pong Mo Yuen «Sexual behavior and activity in Chinese pregnant women». Acta Obstetricia et Gynecologica Scandinavica, 84, 10, d'octubre de 2005, pàg. 934–938. DOI: 10.1111/j.0001-6349.2005.00743.x. PMID: 16167907.
Ornoy, A; Ergaz, Z «Alcohol abuse in pregnant women: effects on the fetus and newborn, mode of action and maternal treatment.». International journal of environmental research and public health, 7, 2, 2010 Feb, pàg. 364–79. DOI: 10.3390/ijerph7020364. PMC: 2872283. PMID: 20616979.
Hackshaw, A; Rodeck, C; Boniface, S «Maternal smoking in pregnancy and birth defects: a systematic review based on 173 687 malformed cases and 11.7 million controls.». Human reproduction update, 17, 5, 2011 Sep-Oct, pàg. 589–604. DOI: 10.1093/humupd/dmr022. PMC: 3156888. PMID: 21747128.
Irner, TB «Substance exposure in utero and developmental consequences in adolescence: a systematic review.». Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence, 18, 6, 2012, pàg. 521–49. DOI: 10.1080/09297049.2011.628309. PMID: 22114955.
Backes, CH; Nelin, T; Gorr, MW; Wold, LE «Early life exposure to air pollution: how bad is it?». Toxicology letters, 216, 1, 10-01-2013, pàg. 47–53. DOI: 10.1016/j.toxlet.2012.11.007. PMC: 3527658. PMID: 23164674.
Shaw, J. L. V.; Dey, S. K., Critchley, H. O. D., Horne, A. W. «Current knowledge of the aetiology of human tubal ectopic pregnancy». Human Reproduction Update, 16, 4, de gener de 2010, pàg. 432–444. DOI: 10.1093/humupd/dmp057. PMC: 2880914. PMID: 20071358.
drscope.com
Víctor M. Espinosa de los Reyes Sánchez; Sergio Azcárate Sánchez Santos «Cambios fisiológicos durante el embarazo». Programa de Actualización Continua para Ginecología y Obstetricia, libro 1, Vigilancia prenatal, 1997-1998, pàg. 18. Arxivat de l'original el 2008-03-16 [Consulta: 25 gener 2008].Arxivat 2008-03-16 a Wayback Machine.
enbuenasmanos.com
Crianza Natural. «El Primer Mes» (en castellà). Vida Sana: Embarazo. [Consulta: 28 gener 2008]. «Un altre dels mecanismes de protecció de l'embaràs és el rebuig a certs olors com el tabac, el cafè o la contaminació.»
Rossi, Timothy Verdon; captions by Filippo. Mary in western art. Nova York: In Association with Hudson Hills Press, 2005, p. 106. ISBN 0-9712981-9-X.
gva.es
begv.gva.es
Muñecas Escribà, Elena; Mas Pons, Rosa; Carpio Gesta, María Luisa; Barona Vilar, Carmen «L'embaràs: una nova etapa de la vida» (Follet). Conselleria de Sanitat, Generalitat Valenciana [País Valencià], 2009.
Merck. «Pregnancy complicated by disease». Merck Manual, Home Health Handbook. Merck Sharp & Dohme. Arxivat de l'original el 2011-11-10. [Consulta: 29 maig 2013].
nhs.uk
«Pregnancy Symptoms». National Health Service (NHS), 11-03-2010. [Consulta: 11 març 2010].
«NHS Pregnancy Planner». National Health Service (NHS), 19-03-2010. Arxivat de l'original el 2021-08-29. [Consulta: 19 març 2010].
nih.gov
ncbi.nlm.nih.gov
Jenkins, A; Millar, S; Robins, J «Denial of pregnancy: a literature review and discussion of ethical and legal issues.». Journal of the Royal Society of Medicine, 104, 7, 2011 Jul, pàg. 286–91. DOI: 10.1258/jrsm.2011.100376. PMID: 21725094.
Qasim SM, Callan C, Choe JK «The predictive value of an initial serum beta human chorionic gonadotropin level for pregnancy outcome following in vitro fertilization». Journal of Assisted Reproduction and Genetics, 13, 9, 1996, pàg. 705–8. DOI: 10.1007/BF02066422. PMID: 8947817.
Verhaegen, J; Gallos, ID; van Mello, NM; Abdel-Aziz, M; Takwoingi, Y; Harb, H; Deeks, JJ; Mol, BW; Coomarasamy, A «Accuracy of single progesterone test to predict early pregnancy outcome in women with pain or bleeding: meta-analysis of cohort studies.». BMJ (Clinical research ed.), 345, 27-09-2012, pàg. e6077. DOI: 10.1136/bmj.e6077. PMC: 3460254. PMID: 23045257.
Stevenson RE, Allen WP, Pai GS, Best R, Seaver LH, Dean J, Thompson S «Decline in prevalence of neural tube defects in a high-risk region of the United States». Pediatrics, 106, 4, 2000, pàg. 677–83. DOI: 10.1542/peds.106.4.677. PMID: 11015508.
Artal, R; O'Toole, M «Guidelines of the American College of Obstetricians and Gynecologists for exercise during pregnancy and the postpartum period.». British journal of sports medicine, 37, 1, 2003 Feb, pàg. 6–12; discussion 12. DOI: 10.1136/bjsm.37.1.6. PMC: 1724598. PMID: 12547738.
Wing Yee Fok; Louis Yik-Si Chan, Pong Mo Yuen «Sexual behavior and activity in Chinese pregnant women». Acta Obstetricia et Gynecologica Scandinavica, 84, 10, d'octubre de 2005, pàg. 934–938. DOI: 10.1111/j.0001-6349.2005.00743.x. PMID: 16167907.
Ornoy, A; Ergaz, Z «Alcohol abuse in pregnant women: effects on the fetus and newborn, mode of action and maternal treatment.». International journal of environmental research and public health, 7, 2, 2010 Feb, pàg. 364–79. DOI: 10.3390/ijerph7020364. PMC: 2872283. PMID: 20616979.
Hackshaw, A; Rodeck, C; Boniface, S «Maternal smoking in pregnancy and birth defects: a systematic review based on 173 687 malformed cases and 11.7 million controls.». Human reproduction update, 17, 5, 2011 Sep-Oct, pàg. 589–604. DOI: 10.1093/humupd/dmr022. PMC: 3156888. PMID: 21747128.
Irner, TB «Substance exposure in utero and developmental consequences in adolescence: a systematic review.». Child neuropsychology : a journal on normal and abnormal development in childhood and adolescence, 18, 6, 2012, pàg. 521–49. DOI: 10.1080/09297049.2011.628309. PMID: 22114955.
Abelsohn, A; Vanderlinden, LD; Scott, F; Archbold, JA; Brown, TL «Healthy fish consumption and reduced mercury exposure: counseling women in their reproductive years.». Canadian family physician Medecin de famille canadien, 57, 1, 2011 Jan, pàg. 26–30. PMC: 3024155. PMID: 21322285.
Backes, CH; Nelin, T; Gorr, MW; Wold, LE «Early life exposure to air pollution: how bad is it?». Toxicology letters, 216, 1, 10-01-2013, pàg. 47–53. DOI: 10.1016/j.toxlet.2012.11.007. PMC: 3527658. PMID: 23164674.
Shaw, J. L. V.; Dey, S. K., Critchley, H. O. D., Horne, A. W. «Current knowledge of the aetiology of human tubal ectopic pregnancy». Human Reproduction Update, 16, 4, de gener de 2010, pàg. 432–444. DOI: 10.1093/humupd/dmp057. PMC: 2880914. PMID: 20071358.
nlm.nih.gov
MedlinePlus > Breast pain Update Date: 31 de desembre de 2008. Updated by: David C. Dugdale, Susan Storck. Also reviewed by David Zieve.
Women's Health InformationArxivat 2007-04-30 a Wayback Machine., Hearthstone Communications Limited: «The risk of miscarriage decreases dramatically after the 8th week as the weeks go by.» Retrieved 2007-04-22.
Víctor M. Espinosa de los Reyes Sánchez; Sergio Azcárate Sánchez Santos «Cambios fisiológicos durante el embarazo». Programa de Actualización Continua para Ginecología y Obstetricia, libro 1, Vigilancia prenatal, 1997-1998, pàg. 18. Arxivat de l'original el 2008-03-16 [Consulta: 25 gener 2008].Arxivat 2008-03-16 a Wayback Machine.
Juan Aller; Gustavo Pagés. «Diagnóstico de Embarazo» (en castellà), 01-01-2007. Arxivat de l'original el 2007-04-23. [Consulta: 29 gener 2008].
«NHS Pregnancy Planner». National Health Service (NHS), 19-03-2010. Arxivat de l'original el 2021-08-29. [Consulta: 19 març 2010].
Merck. «Pregnancy complicated by disease». Merck Manual, Home Health Handbook. Merck Sharp & Dohme. Arxivat de l'original el 2011-11-10. [Consulta: 29 maig 2013].
womens-health.co.uk
Women's Health InformationArxivat 2007-04-30 a Wayback Machine., Hearthstone Communications Limited: «The risk of miscarriage decreases dramatically after the 8th week as the weeks go by.» Retrieved 2007-04-22.