A Guide for Patients. Multiple births are much more common today than they were in the past. There are more multiple births today in part because more women are receiving infertility treatment, which carries a risk of multiple pregnancy.

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This page has been produced in consultation with and approved by:. In Victoria, you can have two types of abortion: surgical and medication. Both types are safe and reliable. You can have a medication abortion up to nine weeks of pregnancy. You can have a surgical abortion from around six weeks of pregnancy onwards.
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Please sign in or sign up for a March of Dimes account to proceed. Sex is a healthy part of a loving relationship with your partner. For most women, yes, sex is safe during pregnancy. If you have questions about having sex during pregnancy, talk to your health care provider. The muscles of the uterus and the amniotic fluid that surrounds your baby in the uterus help protect your baby. The mucous plug help keeps your baby safe from infection.
Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Non-invasive prenatal testing NIPT is accurate for fetal sex determination in singleton pregnancies, but its accuracy is not well established in twin pregnancies. A retrospective analysis was performed using a total of twin pregnancies with documented sex. The prediction was based on a multinomial logistic regression using the normalized frequency of X and Y chromosomes, and fetal fraction estimation. A second-step regression analysis was applied when one or both twins were predicted to be male.