Where is HIV transmitted, and are HIV and AIDS the same?
12/01/2022|76 |Andrea Rodrigo B.Sc., M.Sc., Marta Barranquero Gómez B.Sc., M.Sc., Zaira Salvador B.Sc., M.Sc. and Michelle Lorraine Embleton B.Sc. Ph.D..
HIV transmission in humans can occur in different ways: through unprotected sexual intercourse with an HIV-positive person, through direct contact with the blood of a person with the virus, or from mother to baby during pregnancy or breastfeeding. Read more
Repeated Implantation Failure - Reasons Why Embryos Don't Implant
Repeated or recurrent implantation failure (RIF) is detected when good quality embryos fail to implant after several cycles of In Vitro Fertilization (IVF). The causes of RIF can be due to maternal, embryonic, or systemic factors. Learn about the signs and treatments for RIF here. Read more
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Day 5 vs. Day 3 Embryo Transfer - What Are the Pros & Cons?
Which is better, a day 3 or a day 5 embryo transfer? While blastocyst (day 5) embryo transfers have been suggested to improve the pregnancy success rates of IVF, actually both options have a series of pros and cons. Learn how to make a well-informed decision with this guide. Read more
Guide to Fertility
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What are the consequences of low vitamin D levels in pregnancy?
By Rubén Baltá I Arandes M.D. (gynecologist).
Vitamin D levels are of vital importance during pregnancy, as vitamin D deficiency can lead to an increased risk of preeclampsia, gestational diabetes, impaired... Read more
What is the purpose of the ERA test?
By Luis Rodríguez Tabernero M.D., M.Sc., Ph.D. (gynecologist).
The Endometrial Receptivity Array (ERA) is a novel diagnostic test that allows the study of the endometrium to determine if it is in adequate... Read more
What are the benefits of endometrial scratching?
By Lydia Pilar Suárez M.D., M.Sc. (gynecologist).
Endometrial scratching is a relatively new, simple technique that provides good results in assisted reproduction techniques.It is applied mainly in patients diagnosed with recurrent... Read more
Egg donation clinics worldwide
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