I personally have plenty of experience with clomid and nolva and Im well aware of the science. In fact, Here is a little “science” for your inspection –
Nolva causing endometrial cancer -
Tamoxifen treatment and its consequences
Adrian Shulman, Ilan Cohen, Ron Maymon, and Marco M. Altaras
Hum. Reprod., Aug 1995; 10: 2174 - 2175
Clomid and Nolva toxic to the liver while causing DNA mutation -
Epigenetic reprogramming of liver cells in tamoxifen-induced rat hepatocarcinogenesis.
VP Tryndyak, O Kovalchuk, L Muskhelishvili, B Montgomery, R Rodriguez-Juarez, S Melnyk, SA Ross, FA Beland, and IP Pogribny
Mol Carcinog, Mar 2007; 46(3): 187-97
Biotransformation of the Antiestrogen Clomiphene to Chemically Reactive Metabolites in the Immature Female Rat
Peter C. Ruenitz, Richard F. Arrendale, Garry D. George, Carolyn B. Thompson, Corwin M. Mokler, and Nitin T. Nanavati
Cancer Res., Aug 1987; 47: 4015 - 4019.
Antiestrogens and the formation of DNA damage in rats: a comparison.
Kim SY, Suzuki N, Laxmi YR, Umemoto A, Matsuda T, Shibutani S.
Chem Res Toxicol. 2006 Jun;19(6):852-8.
Activation of 4-hydroxytamoxifen and the tamoxifen derivative metabolite E by uterine peroxidase to form DNA adducts: Comparison with DNA adducts formed in the uterus of Sprague-Dawley rats treated with tamoxifen
Deena N. Pathak, Krisztina Pongracz, and William J. Bodell
Carcinogenesis, Sep 1996; 17: 1785 - 1790
Activation of the Tamoxifen Derivative Metabolite E to Form DNA Adducts: Comparison with the Adducts Formed by Microsomal Activation of Tamoxifen
Krisztina Pongracz, Deena N. Pathak, Takemichi Nakamura, Alma L. Burlingame, and William J. Bodell
Cancer Res., Jul 1995; 55: 3012 - 3015.
Clomid causing birth defects -
Teratogenic effects of clomiphene, tamoxifen, and diethylstilbestrol on the developing human female genital tract.
GR Cunha, O Taguchi, R Namikawa, Y Nishizuka, and SJ Robboy
Hum Pathol, Nov 1987; 18(11): 1132-43.
Nolva hurting fertility -
Effects of tamoxifen on the fertility of male rats
MK Gill-Sharma, K Gopalkrishnan, N Balasinor, P Parte, S Jayaraman, and HS Juneja
J Reprod Fertil, Nov 1993; 99: 395.
Effect of chronic administration of Tamoxifen on fertility in male bonnet monkeys (Macaca radiata).
AJ Rao, SG Ramachandra, V Ramesh, HN Krishnamurthy, S Jayaraman, K Gopalakrishnan, and HS Juneja
Andrologia, May 1998; 30(3): 129-32.