Heather Rae Young has three “very strong” embryos. The ‘Selling Sunset’ star – who is married to Tarek El Moussa – has given an update on her fertility journey after she revealed in December she would be freezing her eggs. The realtor confirmed that she has four embryos saved, but that one of them is unlikely to be “strong” enough to be used. She said: “We have four embryos that are saved right now. “Three are the same gender and they’re all very strong. The fourth one’s not as strong, so we probably won’t use that one.” Heather Rae stopped short of revealing the gender. She told ‘E! News’ Dai…