What's the last date I can post this to to arrive in time for Christmas? <a href=" http://fyzigo.nl/stmap_8291.html ">metoprolol and atenolol equivalent doses</a> The remaining numbers are based on official reports from 74 countries. Those reports also have holes – including some missing years, Adamson says – but they suggest 3.3 million to 4.1 million babies have been born through assisted techniques. The techniques counted include basic IVF but also egg donation, surrogacy and egg freezing. Not included: artificial insemination or the use of fertility drugs without IVF.