Sharon Johnson on Instagram: "This was the second time one of my kids asked me this today. I don’t film in front of them a lot as they’re at school most working days but over the break they’ve seen me filming more so naturally the question pops up. When I started talking about my life online 4 years ago my husband and I just made the hard line that our kids and their names and faces won’t be known by my followers. I don’t want to them to become a story and character for other people to consume.

Kunal Sood, MD on Instagram: "Superfetation is the extremely rare situation where a second pregnancy begins during an ongoing one. Normally, pregnancy blocks this through three layers of protection: ovulation stops, cervical mucus thickens into a plug that prevents sperm from entering, and the uterine lining becomes unreceptive to a new embryo. For another conception to occur, all three of these safeguards would need to be bypassed. Documented human cases are very few, and most involve assisted